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| author | Richard Guenther <rguenther@suse.de> | 2010-10-22 19:03:39 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-10-22 19:03:39 +0000 |
| commit | 07db7d35a9b27002021a96fc0ac4175d102d56d3 (patch) | |
| tree | aba9c0452722f367214fd539f57871adfd8cbd2c /gcc/testsuite/c-c++-common | |
| parent | d8c801fdbe83d2529221e7beb0e75eebca3e86f9 (diff) | |
| download | gcc-07db7d35a9b27002021a96fc0ac4175d102d56d3.tar.gz | |
re PR tree-optimization/46137 (g++.dg/torture/pr45877.C FAILs with -fno-tree-dce)
2010-10-22 Richard Guenther <rguenther@suse.de>
PR middle-end/46137
* gimple-fold.c (gimplify_and_update_call_from_tree): Properly
remove the virtual operands if they are not needed.
* c-c++-common/torture/pr46137.c: New testcase.
From-SVN: r165852
Diffstat (limited to 'gcc/testsuite/c-c++-common')
| -rw-r--r-- | gcc/testsuite/c-c++-common/torture/pr46137.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/torture/pr46137.c b/gcc/testsuite/c-c++-common/torture/pr46137.c new file mode 100644 index 00000000000..3e44ff6b7c9 --- /dev/null +++ b/gcc/testsuite/c-c++-common/torture/pr46137.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ + +struct X { }; + +static inline void * +bar (void *dst, void *src) +{ + return __builtin___memcpy_chk (dst, src, sizeof (struct X), + __builtin_object_size (dst, 0)); +} + +struct X +foo (struct X *x) +{ + struct X any; + bar (&any, x); + return any; +} |