diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute')
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/string-opt-18.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/string-opt-18.c b/gcc/testsuite/gcc.c-torture/execute/string-opt-18.c index 0ba2be6e628..dfa5c169e2d 100644 --- a/gcc/testsuite/gcc.c-torture/execute/string-opt-18.c +++ b/gcc/testsuite/gcc.c-torture/execute/string-opt-18.c @@ -15,6 +15,9 @@ extern int memcmp (const void *, const void *, size_t); const char s1[] = "123"; char p[32] = ""; +char *s2 = "defg"; +char *s3 = "FGH"; +size_t l1 = 1; int main() { @@ -60,6 +63,17 @@ int main() if (__builtin_mempcpy (p, "ABCDE", 6) != p + 6 || memcmp (p, "ABCDE", 6)) abort (); + /* If the result of stpcpy/mempcpy is ignored, gcc should use + strcpy/memcpy. */ + stpcpy (p + 3, s2); + if (memcmp (p, "ABCdefg", 8)) + abort (); + mempcpy (p + 5, s3, 1); + if (memcmp (p, "ABCdeFg", 8)) + abort (); + mempcpy (p + 6, s3 + 1, l1); + if (memcmp (p, "ABCdeFG", 8)) + abort (); return 0; } |