diff options
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/tailcall-6.c | 33 |
2 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4351007..f5ba72f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-04-26 H.J. Lu <hongjiu.lu@intel.com> + + PR tree-optimization/43904 + * gcc.dg/tree-ssa/tailcall-6.c: New. + 2010-04-26 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk> PR testsuite/35165 diff --git a/gcc/testsuite/gcc.dg/tree-ssa/tailcall-6.c b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-6.c new file mode 100644 index 0000000..4997f9b --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-6.c @@ -0,0 +1,33 @@ +/* PR tree-optimization/43904. */ +/* { dg-do run } */ +/* { dg-options "-O1 -foptimize-sibling-calls" } */ + +typedef __SIZE_TYPE__ size_t; +extern void abort(void); + +void *memcpy(void *dest, const void *src, size_t n); + +void +buggy_init(void *ptr, size_t size) +{ + const char *str = "Hello world!"; + memcpy(ptr, &str, size); +} + +void +expose_bug(void *ptr, size_t size) +{ + const char *str; + memcpy(&str, ptr, size); + if (*str != 'H') + abort (); +} + +int +main() +{ + const char *ptr; + buggy_init(&ptr, sizeof(ptr)); + expose_bug(&ptr, sizeof(ptr)); + return 0; +} |