diff options
| author | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-01-20 12:02:50 +0000 |
|---|---|---|
| committer | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-01-20 12:02:50 +0000 |
| commit | 3ef7eab185e1463c7dbfa2a8d1af5d0120cf9f76 (patch) | |
| tree | 39d4b3ac7435621b91ed6c263d0a91106c3b2153 /gcc/cp/semantics.c | |
| parent | c38de115e8ec1fefc3a1522d539e90d2ffa00932 (diff) | |
PR c/64279
* c-common.h (do_warn_duplicated_branches_r): Declare.
* c-gimplify.c (c_genericize): Walk the function tree calling
do_warn_duplicated_branches_r.
* c-warn.c (expr_from_macro_expansion_r): New.
(do_warn_duplicated_branches): New.
(do_warn_duplicated_branches_r): New.
* c.opt (Wduplicated-branches): New option.
* c-typeck.c (build_conditional_expr): Warn about duplicated branches.
* call.c (build_conditional_expr_1): Warn about duplicated branches.
* semantics.c (finish_expr_stmt): Build statement using the proper
location.
* doc/invoke.texi: Document -Wduplicated-branches.
* fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
STATEMENT_LIST, and RETURN_EXPR. For non-pure non-const functions
return 0 only when not OEP_LEXICOGRAPHIC.
(fold_build_cleanup_point_expr): Use the expression
location when building CLEANUP_POINT_EXPR.
* tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
* tree.c (add_expr): Handle error_mark_node.
* c-c++-common/Wduplicated-branches-1.c: New test.
* c-c++-common/Wduplicated-branches-10.c: New test.
* c-c++-common/Wduplicated-branches-11.c: New test.
* c-c++-common/Wduplicated-branches-12.c: New test.
* c-c++-common/Wduplicated-branches-2.c: New test.
* c-c++-common/Wduplicated-branches-3.c: New test.
* c-c++-common/Wduplicated-branches-4.c: New test.
* c-c++-common/Wduplicated-branches-5.c: New test.
* c-c++-common/Wduplicated-branches-6.c: New test.
* c-c++-common/Wduplicated-branches-7.c: New test.
* c-c++-common/Wduplicated-branches-8.c: New test.
* c-c++-common/Wduplicated-branches-9.c: New test.
* c-c++-common/Wimplicit-fallthrough-7.c: Coalesce dg-warning.
* g++.dg/cpp0x/lambda/lambda-switch.C: Move dg-warning.
* g++.dg/ext/builtin-object-size3.C: Likewise.
* g++.dg/gomp/loop-1.C: Likewise.
* g++.dg/warn/Wduplicated-branches1.C: New test.
* g++.dg/warn/Wduplicated-branches2.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244705 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cp/semantics.c')
| -rw-r--r-- | gcc/cp/semantics.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index 42024755e4f..55710e64c97 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -670,6 +670,7 @@ tree finish_expr_stmt (tree expr) { tree r = NULL_TREE; + location_t loc = EXPR_LOCATION (expr); if (expr != NULL_TREE) { @@ -694,7 +695,7 @@ finish_expr_stmt (tree expr) if (TREE_CODE (expr) != CLEANUP_POINT_EXPR) { if (TREE_CODE (expr) != EXPR_STMT) - expr = build_stmt (input_location, EXPR_STMT, expr); + expr = build_stmt (loc, EXPR_STMT, expr); expr = maybe_cleanup_point_expr_void (expr); } |