diff options
| author | Steve Kargl <kargl@gcc.gnu.org> | 2022-07-15 22:07:15 +0200 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2022-07-16 20:19:12 +0200 |
| commit | c1b0037bcc26019a87935e5634b6d448e9773193 (patch) | |
| tree | eb9799ebda23beb7fe8f6cc27178233dff19c45b | |
| parent | 5b877e0f6881a3a4dbbd15e9d2849a460bfe171c (diff) | |
Fortran: do not generate conflicting results under -ff2c [PR104313]
gcc/fortran/ChangeLog:
PR fortran/104313
* trans-decl.cc (gfc_generate_return): Do not generate conflicting
fake results for functions with no result variable under -ff2c.
gcc/testsuite/ChangeLog:
PR fortran/104313
* gfortran.dg/pr104313.f: New test.
(cherry picked from commit 517fb1a78102df43f052c6934c27dd51d786aff7)
| -rw-r--r-- | gcc/fortran/trans-decl.cc | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr104313.f | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/fortran/trans-decl.cc b/gcc/fortran/trans-decl.cc index 6493cc2f6b1..908a4c6d42e 100644 --- a/gcc/fortran/trans-decl.cc +++ b/gcc/fortran/trans-decl.cc @@ -6474,7 +6474,7 @@ gfc_generate_return (void) NULL_TREE, and a 'return' is generated without a variable. The following generates a 'return __result_XXX' where XXX is the function name. */ - if (sym == sym->result && sym->attr.function) + if (sym == sym->result && sym->attr.function && !flag_f2c) { result = gfc_get_fake_result_decl (sym, 0); result = fold_build2_loc (input_location, MODIFY_EXPR, diff --git a/gcc/testsuite/gfortran.dg/pr104313.f b/gcc/testsuite/gfortran.dg/pr104313.f new file mode 100644 index 00000000000..89c8947cb0a --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr104313.f @@ -0,0 +1,11 @@ +! { dg-do compile } +! { dg-additional-options "-ff2c -fdump-tree-original" } +! +! PR fortran/104313 - ICE verify_gimple failed with -ff2c +! Contributed by G.Steinmetz + + function f(a) + return + end + +! { dg-final { scan-tree-dump-times "return" 1 "original" } } |