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This patch merges the spin loops in the atomic wait implementation which is a
minor codegen improvement.
libstdc++-v3/ChangeLog:
* include/bits/atomic_wait.h (__atomic_spin): Merge spin loops.
(cherry picked from commit e75da2ace6b6f634237259ef62cfb2d3d34adb10)
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Updates D language version to v2.100.1.
D front-end changes:
- Fix delegate literal with inferred return value that requires
following alias-this to not use class cast.
- Fix internal error on variadic template type instantiated with two
arrays of classes.
- `scope(failure)' blocks that contain `return' statements are now
deprecated.
- Fix regression where wrong cast was inserted for ternary operator
and non-int enums.
- Fix internal error in code generation trying to reference
_d_arraysetctor.
- Fix memory corruption when array literal is passed to map in
lambda, then returned from nested function.
- Generate invariant id on the basis of location rather than a
global counter.
- Make `noreturn' conversions work.
- Fix segfault when `.stringof' of template alias overloaded with
function accessed by trait.
- Empty array literal passed to scope param not 'falsey' anymore.
Phobos changes:
- Avoid copying ranges in std.algorithm.comparison.equal.
gcc/d/ChangeLog:
* dmd/MERGE: Merge upstream dmd 76e3b41375.
* dmd/VERSION: Bump version to v2.100.1.
* decl.cc (DeclVisitor::visit (VarDeclaration *)): Evaluate RHS
of noreturn declaration expressions first.
* expr.cc (ExprVisitor::visit (AssignExp *)): Don't generate
assignment for noreturn types.
libphobos/ChangeLog:
* libdruntime/MERGE: Merge upstream druntime 1462ebd1.
* src/MERGE: Merge upstream phobos 5fef0d28f.
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gcc/fortran/ChangeLog:
PR fortran/103504
* interface.cc (get_sym_storage_size): Array bounds and character
length can only be of integer type.
gcc/testsuite/ChangeLog:
PR fortran/103504
* gfortran.dg/pr103504.f90: New test.
(cherry picked from commit 600956c81c784f4a0cc9d10f6e03e01847afd961)
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Here we ICE trying to get DECL_SOURCE_LOCATION of the parm that happens
to be error_mark_node in this ill-formed test. I kept running into this
while reducing code, so it'd be good to have it fixed.
PR c++/106311
gcc/cp/ChangeLog:
* pt.cc (redeclare_class_template): Check DECL_P before accessing
DECL_SOURCE_LOCATION.
gcc/testsuite/ChangeLog:
* g++.dg/template/redecl5.C: New test.
(cherry picked from commit 2333b58c9892667545d0c2c3ecd2d7b947197511)
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Since my PR94041 work on temporary lifetime in aggregate initialization, we
end up calling build_vec_init to initialize the reference-extended temporary
for the artificial __for_range variable. And build_vec_init uses
finish_for_stmt to implement its loop. That function assumes that if
__for_range is in current_binding_level, we're finishing a range-for, and we
should fix up the variable as it goes out of scope. But when called from
build_vec_init we aren't finishing a range-for, and do_poplevel doesn't
remove the variable from scope because stmts_are_full_exprs_p is false. So
let's check that here as well, and leave the DECL_NAME alone.
PR c++/106230
gcc/cp/ChangeLog:
* semantics.cc (finish_for_stmt): Check stmts_are_full_exprs_p.
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/range-for38.C: New test.
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gcc/ChangeLog:
* config/rs6000/rtems.h (CPLUSPLUS_CPP_SPEC): Undef.
(cherry picked from commit 556b816b820f6749910784cbaca8bb0bb822a970)
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libstdc++-v3/ChangeLog:
* src/c++17/fs_dir.cc (_Dir::_Dir) [!_GLIBCXX_HAVE_OPENAT]:
Always store pathname if we don't have openat or unlinkat,
because the full path is needed to open sub-directories and
remove entries.
(cherry picked from commit 835b19936bf30d693783bfa39145a4ce243bbd7c)
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In the recent patch to check for openat, I missed an occurrence of
dirfd in std::filesystem.
for libstdc++-v3/ChangeLog
* src/c++17/fs_dir.cc (dir_and_pathname): Use dirfd if
_GLIBCXX_HAVE_OPENAT.
(cherry picked from commit 486893b1d325d22d54c1380937943913a7501f91)
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rtems6.0 has fdopendir, and fcntl.h defines AT_FDCWD and declares
openat, but there's no openat in libc. Adjust dir-common.h to not
assume ::openat just because of AT_FDCWD.
for libstdc++-v3/ChangeLog
* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
openat.
* configure, config.h.in: Rebuilt.
* src/filesystem/dir-common.h (openat): Use ::openat if
_GLIBCXX_HAVE_OPENAT.
* src/filesystem/dir.cc (dir_and_pathname): Use dirfd if
_GLIBCXX_HAVE_OPENAT.
(cherry picked from commit 93070671eae44f24ba822383e17571a39257c637)
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This avoids polluting the global namespace with the "abi" namespace
alias.
libstdc++-v3/ChangeLog:
* include/std/stacktrace: Do not include <cxxabi.h>.
(__cxa_demangle): Declare.
(cherry picked from commit e112e37f2920bcc9185e53b754d9145aac912c72)
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Now non-member functions can be defaulted, so this assert is wrong.
move_signature_fn_p already checks for ctor or op=.
PR c++/106361
gcc/cp/ChangeLog:
* decl.cc (move_fn_p): Remove assert.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/spaceship-eq14.C: New test.
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Here we're crashing when substituting a non-dependent call to a
consteval operator, whose CALL_EXPR_OPERATOR_SYNTAX flag we try to
propagate to the result, but the result isn't a CALL_EXPR since the
selected function is consteval. This patch fixes this by checking the
result of extract_call_expr accordingly. (Note that we can't check
DECL_IMMEDIATE_FUNCTION_P here because we don't know which function was
selected by overload resolution from here.)
PR c++/105912
gcc/cp/ChangeLog:
* call.cc (extract_call_expr): Return a NULL_TREE on failure
instead of asserting.
* pt.cc (tsubst_copy_and_build) <case CALL_EXPR>: Guard against
NULL_TREE extract_call_expr result.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/consteval31.C: New test.
(cherry picked from commit f70c18524221dcefa6cd26cee7b55503181bd912)
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Here we incorrectly deem the calls to func1, func2 and tmpl2 as
ambiguous ahead of time ultimately because we mishandle dependence
of a constrained member function from the current instantiation.
In type_dependent_expression_p, we already consider dependence of a
TEMPLATE_DECL's constraints (via uses_outer_template_parms), but
neglect to do the same for a FUNCTION_DECL (such as that for func1).
And in satisfy_declaration_constraints, we give up if _any_ template
argument is dependent, but for non-dependent member functions from
the current instantiation (such as func2 and tmpl2), we can and must
check constraints as long as the innermost arguments aren't dependent.
PR c++/105842
gcc/cp/ChangeLog:
* constraint.cc (satisfy_declaration_constraints): Refine early
exit test for argument dependence.
* cp-tree.h (uses_outer_template_parms_in_constraints): Declare.
* pt.cc (template_class_depth): Handle TI_TEMPLATE being a
FIELD_DECL.
(usse_outer_template_parms): Factor out constraint dependence
test into ...
(uses_outer_template_parms_in_constraints): ... here.
(type_dependent_expression_p): Use it for FUNCTION_DECL.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-memtmpl6.C: New test.
(cherry picked from commit f07778f6f92111aa0abfd0f669b148a0bda537a9)
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Here at parse time the template argument f (an OVERLOAD) in A<f> gets
resolved ahead of time to the FUNCTION_DECL f<int>, and we defer marking
f<int> as used until instantiation (of g) as usual.
Later when instantiating g the type A<f> (where f has already been
resolved) is non-dependent, so tsubst_aggr_type avoids re-processing its
template arguments, and we end up never actually marking f<int> as used
(which means we never instantiate it) even though A<f>::h() later calls
it, leading to a link error.
This patch works around this issue by looking through ADDR_EXPR when
calling mark_used on the substituted callee of a CALL_EXPR.
PR c++/53164
PR c++/105848
gcc/cp/ChangeLog:
* pt.cc (tsubst_copy_and_build) <case CALL_EXPR>: Look through an
ADDR_EXPR callee when calling mark_used.
gcc/testsuite/ChangeLog:
* g++.dg/template/fn-ptr3.C: New test.
(cherry picked from commit 733a792a2b2e1662e738fa358b45a2720a8618a7)
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In non-dependent23.C below we expect the Base::foo calls to
resolve to the second, third and fourth overloads respectively in light
of the cv-qualifiers of 'this' in each case. But ever since
r12-6075-g2decd2cabe5a4f, the calls incorrectly resolve to the first
overload at instantiation time.
This happens because the calls to Base::foo are all deemed
non-dependent (ever since r7-755-g23cb72663051cd made us ignore 'this'
dependence when considering the dependence of a non-static memfn call),
hence we end up checking the call ahead of time, using as the object
argument a dummy object of type Base. Since this object argument is
cv-unqualified, the calls in turn resolve to the unqualified overload
of baseDevice. Before r12-6075 this incorrect result would just get
silently discarded and we'd end up redoing OR at instantiation time
using 'this' as the object argument. But after r12-6075 we now reuse
this incorrect result at instantiation time.
This patch fixes this by making maybe_dummy_object respect the cv-quals
of (the non-lambda) 'this' when returning a dummy object. Thus, ahead
of time OR using a dummy object will give us the right answer that's
consistent with the instantiation time answer.
An earlier version of this patch didn't handle 'this'-capturing lambdas
correctly, which broke lambda-this22.C below.
PR c++/105637
gcc/cp/ChangeLog:
* tree.cc (maybe_dummy_object): When returning a dummy
object, respect the cv-quals of 'this' if available.
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/lambda/lambda-this22.C: New test.
* g++.dg/template/non-dependent23.C: New test.
(cherry picked from commit 44a5bd6d933d86ed988fc4695aa00f122cf83eb4)
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This patch makes us avoid substituting into the TEMPLATE_PARM_CONSTRAINTS
of each template parameter except as necessary for declaration matching,
like we already do for the other constituent constraints of a declaration.
This patch also improves the CA104 implementation of explicit
specialization matching of a constrained function template inside a
class template, by considering the function's combined constraints
instead of just its trailing constraints. This allows us to correctly
handle the first three explicit specializations in concepts-spec2.C
below, but because we compare the constraints as a whole, it means we
incorrectly accept the fourth explicit specialization which writes #3's
constraints in a different way. For complete correctness here,
determine_specialization should use tsubst_each_template_parm_constraints
and template_parameter_heads_equivalent_p.
PR c++/100374
gcc/cp/ChangeLog:
* pt.cc (determine_specialization): Compare overall constraints
not just the trailing constraints.
(tsubst_each_template_parm_constraints): Define.
(tsubst_friend_function): Use it.
(tsubst_friend_class): Use it.
(tsubst_template_parm): Don't substitute TEMPLATE_PARM_CONSTRAINTS.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-spec2.C: New test.
* g++.dg/cpp2a/concepts-template-parm11.C: New test.
(cherry picked from commit 43c013df02fdb07f9b7a5e7e6669e6d69769d451)
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Here the out-of-line definition of Z<T>::z causes duplicate_decls to
change z's type from using the primary template type Z<T> (which is also
the type of the injected class name) to the implicit instantiation Z<T>,
and this latter type lacks a TYPE_BINFO (although its TYPE_CANONICAL was
set by a special case in lookup_template_class to point to the former).
Later, when processing the non-dependent call z->foo(0), build_over_call
relies on the object argument's TYPE_BINFO to build the templated form
for this call, which fails because the object argument type has empty
TYPE_BINFO due to the above.
It seems weird that the implicit instantiation Z<T> doesn't have the
same TYPE_BINFO as the primary template type Z<T>, despite them being
proclaimed equivalent via TYPE_CANONICAL. So I tried also setting
TYPE_BINFO in the special case in lookup_template_class, but that led to
some problems with constrained partial specializations of the form Z<T>.
I'm not sure what, if anything, we ought to do about the subtle
differences between these two versions of the same type.
Fortunately it seems we don't need to rely on TYPE_BINFO at all in
build_over_call here -- the z_candidate struct already contains the
exact binfos we need to rebuild the BASELINK for the templated form.
PR c++/105758
gcc/cp/ChangeLog:
* call.cc (build_over_call): Use z_candidate::conversion_path
and ::access_path instead of TYPE_BINFO when building the
BASELINK for the templated form.
gcc/testsuite/ChangeLog:
* g++.dg/template/non-dependent24.C: New test.
(cherry picked from commit 4f84f12066953186cce4328b7f178d3daa2fe96e)
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Here during cp_parser_single_declaration for #2, we were calling
associate_classtype_constraints for TPL<T> (the primary template type)
before maybe_process_partial_specialization could get a chance to
notice that we're in fact declaring a distinct constrained partial
spec and not redeclaring the primary template. This caused us to
emit a bogus error about differing constraints b/t the primary template
and #2's constraints. This patch fixes this by moving the call to
associate_classtype_constraints after the call to shadow_tag (which
calls maybe_process_partial_specialization) and adjusting shadow_tag to
use the return value of m_p_p_s.
Moreover, if we later try to define a constrained partial specialization
that's been declared earlier (as in the third testcase), then
maybe_new_partial_specialization correctly notices it's a redeclaration
and returns NULL_TREE. But in this case we also need to update TYPE to
point to the redeclared partial spec (it'll otherwise continue pointing
to the primary template type, eventually leading to a bogus error).
PR c++/96363
gcc/cp/ChangeLog:
* decl.cc (shadow_tag): Use the return value of
maybe_process_partial_specialization.
* parser.cc (cp_parser_single_declaration): Call shadow_tag
before associate_classtype_constraints.
* pt.cc (maybe_new_partial_specialization): Change return type
to bool. Take 'type' argument by mutable reference. Set 'type'
to point to the correct constrained specialization when
appropriate.
(maybe_process_partial_specialization): Adjust accordingly.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-partial-spec12.C: New test.
* g++.dg/cpp2a/concepts-partial-spec12a.C: New test.
* g++.dg/cpp2a/concepts-partial-spec13.C: New test.
(cherry picked from commit 97dc78d705a90c1ae83c78a7f2e24942cc3a6257)
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Removing this doesn't change anything at least with glibc 2.33.
The include was added in https://go.dev/cl/6100049 but it's not
clear why.
Fixes PR go/106266
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/417294
(cherry picked from commit f35d65517a59565758107c5b1a51a5fa382f8d1a)
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9cf13067cb5088626ba7ee1ec4c42ec59c7995a0 [sanitizer] Remove #include <linux/fs.h> to resolve fsconfig_command/mount_attr conflict with glibc 2.36
(cherry picked from commit 2701442d0cf6292f6624443c15813d6d1a3562fe)
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This fixes the following conformance problems reported in the PR:
- Move constructor and move assignment should be defined.
- Copy assignment from a valueless object should be allowed.
Assignment is completely rewritten by this patch, as the previous
version had a number of problems. The converting assignment failed to
handle the case of assigning a new value to a valueless object, which
should work. It only accepted lvalue arguments, so wasn't usable to
implement the move assignment operator. Finally, it enforced the
precondition that the argument is not valueless, which is correct for
the converting assignment but not for the copy assignment.
A new _M_assign member is added to handle all cases of assignment
(copying from an lvalue, moving from an rvalue, and converting from a
different type). The not valueless precondition is checked in the
converting assignment before calling _M_assign, so isn't enforced for
copy and move assignment. The new function no longer uses a switch, so
handles valueless objects as the LHS or RHS of the assignment.
libstdc++-v3/ChangeLog:
PR libstdc++/100823
* include/bits/stl_iterator.h (common_iterator): Define move
constructor and move assignment operator.
(common_iterator::_M_assign): New function implementing
assignment.
(common_iterator::operator=): Use _M_assign.
(common_iterator::_S_valueless): New constant.
* testsuite/24_iterators/common_iterator/100823.cc: New test.
(cherry picked from commit 56c999860bbbb2fd5091ba0985e2e5eaa90c6478)
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The noexcept-specifier for some std::common_iterator constructors was
incorrectly using an rvalue as the first argument of
std::is_nothrow_assignable_v. This gave the wrong answer for some types,
e.g. std::common_iterator<int*, S>, because an rvalue of scalar type
cannot be assigned to.
Also fix the friend declaration to use the same constraints as on the
definition of the class template. G++ fails to diagnose this error, due
to PR c++/96830.
Finally, the copy constructor was using std::move for its argument
in some cases, which should be removed.
libstdc++-v3/ChangeLog:
* include/bits/stl_iterator.h (common_iterator): Fix incorrect
uses of is_nothrow_assignable_v. Fix inconsistent constraints on
friend declaration. Do not move argument in copy constructor.
* testsuite/24_iterators/common_iterator/1.cc: Check for
noexcept constructibnle/assignable.
(cherry picked from commit 3b5567c3ec7e5759bdecc6a6fc0be2b65a93636e)
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These headers were relying on their includers having already included
some prerequisites. That makes them unsuitable to be header-units.
So directly include the needed headers.
Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/ChangeLog:
* include/bits/hashtable.h: Include required headers.
* include/bits/hashtable_policy.h: Likewise.
* include/bits/stl_heap.h: Likewise.
* include/bits/stl_iterator_base_funcs.h: Likewise.
(cherry picked from commit a44380541fee1c7ab14cc90a9af8d1aef3c72866)
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libstdc++-v3/ChangeLog:
* include/bits/utility.h: Fix comment typos.
(cherry picked from commit c1fe8ddf6847a14152668064f163a2585e9dc894)
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This prevents the test from failing if the only thing not supported is
the text printed to the log about the size of the floating-point type.
libstdc++-v3/ChangeLog:
* testsuite/20_util/from_chars/4.cc: Only use log2 if C99 math
functions are available.
(cherry picked from commit 30aea28bd30027e0a6be8e3077828256779954b3)
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This test uses std::log2 without including <cmath>, but it doesn't need
to use it at all. Just get the number of digits from numeric_limits
instead.
libstdc++-v3/ChangeLog:
* testsuite/26_numerics/random/random_device/entropy.cc: Use
numeric_limits<unsigned>::digits.
(cherry picked from commit 78fd15fd4a641cfac28ce60bf43a3e1ca309537b)
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The optimizations from commit r12-8175-ga54137c88061c7 introduced a
clang integer sanitizer error.
Fix this with an explicit static_cast, similar to the fix for PR 96766.
libstdc++-v3/ChangeLog:
* include/std/charconv (__from_chars_alnum_to_val): Replace
implicit conversion from int to unsigned char with explicit
cast.
(cherry picked from commit 20ab3972240aff596a3fa98e9fb09ddc0658fbb3)
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Although the Filesystem TS isn't properly supported on Windows (unlike
the C++17 Filesystem lib), most tests do pass. Two of the failures are
due to PR 88881 which was only fixed for std::filesystem not the TS.
This applies the fix to the TS implementation too.
libstdc++-v3/ChangeLog:
PR libstdc++/88881
* src/filesystem/ops.cc (has_trailing_slash): New helper
function.
(fs::status): Strip trailing slashes.
(fs::symlink_status): Likewise.
* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
Clean the environment before each test and use TMP instead of
TMPDIR so the test passes on Windows.
(cherry picked from commit 6c96b14a19a9e6c365eacc59868a866b99f9786d)
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This ensures that the single-threaded fallback buffer eh_globals is not
destroyed during program termination, using the same immortalization
technique used for error category objects.
Also ensure that init._M_init can still be read after init has been
destroyed, by making it a static data member.
libstdc++-v3/ChangeLog:
PR libstdc++/105880
* libsupc++/eh_globals.cc (eh_globals): Ensure constant init and
prevent destruction during termination.
(__eh_globals_init::_M_init): Replace with static member _S_init.
(__cxxabiv1::__cxa_get_globals_fast): Update.
(__cxxabiv1::__cxa_get_globals): Likewise.
(cherry picked from commit 1e65f2ed99024f23c56f7b6a961898bcaa882a92)
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gcc/fortran/ChangeLog:
PR fortran/101330
* openmp.cc (gfc_match_iterator): Remove left-over code from
development that could lead to a crash on invalid input.
gcc/testsuite/ChangeLog:
PR fortran/101330
* gfortran.dg/gomp/affinity-clause-7.f90: New test.
(cherry picked from commit 26bbe78f77f73bb66af1ac13d0deec888a3c6510)
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Here we crash because we attempt to % by 0. Thus fixed.
PR c++/105634
gcc/cp/ChangeLog:
* call.cc (maybe_warn_class_memaccess): Avoid % by zero.
gcc/testsuite/ChangeLog:
* g++.dg/warn/Wclass-memaccess-7.C: New test.
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get_memory_rtx tries hard to come up with a MEM_EXPR to record
in the memory attributes but in the last fallback fails to properly
account for an unknown offset and thus, as visible in this testcase,
incorrect alignment computed from set_mem_attributes. The following
rectifies both parts.
PR middle-end/106331
* builtins.cc (get_memory_rtx): Compute alignment from
the original address and set MEM_OFFSET to unknown when
we create a MEM_EXPR from the base object of the address.
* gfortran.dg/pr106331.f90: New testcase.
(cherry picked from commit e4ff11a8f2e80adb8ada69bf35ee6a1ab18a9c85)
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The following makes sure to not use the original TBAA type for
looking up a value across an aggregate copy when we had to offset
the read.
2022-06-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/106131
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Force alias-set
zero when offsetting the read looking through an aggregate
copy.
* g++.dg/torture/pr106131.C: New testcase.
(cherry picked from commit 9701432ff79926a5dd3303be3417e0bd0c24140b)
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The following fixes a mistake in looking up an extended operand
in the CSE of a truncated operation.
2022-06-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/106112
* tree-ssa-sccvn.cc (valueized_wider_op): Properly extend
a constant operand according to its type.
* gcc.dg/torture/pr106112.c: New testcase.
(cherry picked from commit 2dbb45d6dc0d20dc159b3d8e27ebb6825074827a)
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The fold_to_nonsharp_ineq_using_bound folding ends up creating invalid
typed IL which confuses later foldings. The following fixes that.
2022-06-20 Richard Biener <rguenther@suse.de>
PR middle-end/106027
* fold-const.cc (fold_to_nonsharp_ineq_using_bound): Use the
type of the prevailing comparison for the new comparison type.
(fold_binary_loc): Use proper types for the A < X && A + 1 > Y
to A < X && A >= Y folding.
* gcc.dg/pr106027.c: New testcase.
(cherry picked from commit 713f2fd923442b1be620a44240ddf786ae0ab476)
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When DSE asks whether __real a is using __imag a it gets a surprising
result when a is a FUNCTION_DECL. The following makes sure this case
is less surprising to callers but keeping the bail-out for the
non-decl case where it is true that PTA doesn't track aliases to code
correctly.
2022-06-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/105971
* tree-ssa-alias.cc (refs_may_alias_p_2): Put bail-out for
FUNCTION_DECL and LABEL_DECL refs after decl-decl disambiguation
to leak less surprising alias results.
* gcc.dg/torture/pr106971.c: New testcase.
(cherry picked from commit 8c2733e16ec1c0cdda3db4cdc5ad158a96a658e8)
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For a [0][0] array we have to be careful when dividing by the element
size which is zero for the outermost dimension. Luckily the division
is only for an overflow check which is pointless for array size zero.
2022-06-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/105969
* gimple-ssa-sprintf.cc (get_origin_and_offset_r): Avoid division
by zero in overflow check.
* gcc.dg/pr105969.c: New testcase.
(cherry picked from commit edb9330c29fe8a0a0b76df6fafd6a223a4d0e41f)
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When we got the simplification of bit-field-ref to view-convert
we lost the ability to detect FMAs since we cannot look through
_1 = {_10};
_11 = VIEW_CONVERT_EXPR<float>(_1);
the following amends the (view_convert CONSTRUCTOR) pattern
to handle this case.
2022-06-14 Richard Biener <rguenther@suse.de>
PR middle-end/105965
* match.pd (view_convert CONSTRUCTOR): Handle single-element
CTOR case.
* gcc.target/i386/pr105965.c: New testcase.
(cherry picked from commit 90467f0ad649d0817f9e034596a0fb85605b55af)
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uninit diagnostics uses passing via reference and access attributes
but that iterates over function type arguments which can in some
cases appearantly outrun the actual arguments leading to ICEs.
The following simply ignores not present arguments.
2022-06-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/105946
* tree-ssa-uninit.cc (maybe_warn_pass_by_reference):
Do not look at arguments not specified in the function call.
(cherry picked from commit e07a876c07601e1f3a27420f7d055d20193c362c)
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The following avoids the need to massage the target optimization
node at WPA time when we fixup the optimization node, copying
FP related flags from callee to caller. The target is already
set up to fixup, but that only works when not switching between
functions. After fixing that the fixup is then done at LTRANS
time when materializing the function.
2022-07-01 Richard Biener <rguenthert@suse.de>
PR target/105459
* config/i386/i386-options.cc (ix86_set_current_function):
Rebuild the target optimization node whenever necessary,
not only when the optimization node didn't change.
* gcc.dg/lto/pr105459_0.c: New testcase.
(cherry picked from commit 4c94382a132a4b2b9d020806549a006fa6764d1b)
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