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| author | Richard Guenther <rguenther@suse.de> | 2008-05-25 17:16:38 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-05-25 17:16:38 +0000 |
| commit | fb238648c42ed68efbf890c01cb9631a02455a2a (patch) | |
| tree | 7f429ea3c58f47548597131ad820eed5ebdf874a /gcc | |
| parent | 2acceeac67a10df936fd59f47e3ee72f87e162f5 (diff) | |
| download | gcc-fb238648c42ed68efbf890c01cb9631a02455a2a.zip gcc-fb238648c42ed68efbf890c01cb9631a02455a2a.tar.gz gcc-fb238648c42ed68efbf890c01cb9631a02455a2a.tar.bz2 | |
re PR middle-end/17526 (libcpp is miscompiled with -fno-pcc-struct-return -O2)
2008-05-25 Richard Guenther <rguenther@suse.de>
PR tree-optimization/17526
* gcc.dg/torture/pr17526.c: New testcase.
From-SVN: r135876
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr17526.c | 27 |
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 951fe3d..27e51f8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-05-25 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/17526 + * gcc.dg/torture/pr17526.c: New testcase. + 2008-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * gcc.dg/tg-tests.h: Fix spelling of FP_INFINITE. diff --git a/gcc/testsuite/gcc.dg/torture/pr17526.c b/gcc/testsuite/gcc.dg/torture/pr17526.c new file mode 100644 index 0000000..58b4791 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr17526.c @@ -0,0 +1,27 @@ +/* { dg-do run } */ +/* { dg-options "-fno-pcc-struct-return" { target i?86-*-* } } */ + +void abort(void); + +typedef struct { int i; } A; + +A __attribute__((noinline)) +foo(void) +{ + A a = { -1 }; + return a; +} + +void __attribute__((noinline)) +bar(A *p) +{ + *p = foo(); +} + +int main(void) +{ + A a; + bar(&a); + if (a.i != -1) abort(); + return 0; +} |