diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/bug-strpbrk1.c | 8 | ||||
| -rw-r--r-- | string/bug-strspn1.c | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/string/bug-strpbrk1.c b/string/bug-strpbrk1.c index 28238b0f50..8e909a1e21 100644 --- a/string/bug-strpbrk1.c +++ b/string/bug-strpbrk1.c @@ -4,6 +4,7 @@ #include <string.h> #include <stdlib.h> #include <stdio.h> +#include <libc-diag.h> int main (void) @@ -11,7 +12,14 @@ main (void) const char *a = "abc"; const char *b = a; + DIAG_PUSH_NEEDS_COMMENT; + /* GCC 9 correctly warns that this call to strpbrk is useless. That + is deliberate; this test is verifying that a side effect in an + argument still occurs when the call itself is useless and could + be optimized to return a constant. */ + DIAG_IGNORE_NEEDS_COMMENT (9, "-Wunused-value"); strpbrk (b++, ""); + DIAG_POP_NEEDS_COMMENT; if (b != a + 1) return 1; diff --git a/string/bug-strspn1.c b/string/bug-strspn1.c index a657bafc43..e3487ab8f9 100644 --- a/string/bug-strspn1.c +++ b/string/bug-strspn1.c @@ -4,6 +4,7 @@ #include <string.h> #include <stdlib.h> #include <stdio.h> +#include <libc-diag.h> int main (void) @@ -11,7 +12,14 @@ main (void) const char *a = "abc"; const char *b = a; + DIAG_PUSH_NEEDS_COMMENT; + /* GCC 9 correctly warns that this call to strspn is useless. That + is deliberate; this test is verifying that a side effect in an + argument still occurs when the call itself is useless and could + be optimized to return a constant. */ + DIAG_IGNORE_NEEDS_COMMENT (9, "-Wunused-value"); strspn (b++, ""); + DIAG_POP_NEEDS_COMMENT; if (b != a + 1) return 1; |