Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/tailcall-6.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* 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; }