diff options
| -rw-r--r-- | gcc/system.h | 6 | ||||
| -rw-r--r-- | gcc/tree.h | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/system.h b/gcc/system.h index b0f3f1d..6f6ab61 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -789,6 +789,12 @@ extern void fancy_abort (const char *, int, const char *) #define ALWAYS_INLINE inline #endif +#if GCC_VERSION >= 3004 +#define WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__)) +#else +#define WARN_UNUSED_RESULT +#endif + /* Use gcc_unreachable() to mark unreachable locations (like an unreachable default case of a switch. Do not use gcc_assert(0). */ #if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING @@ -1214,7 +1214,7 @@ get_expr_source_range (tree expr) extern void protected_set_expr_location (tree, location_t); extern void protected_set_expr_location_if_unset (tree, location_t); -extern tree maybe_wrap_with_location (tree, location_t); +WARN_UNUSED_RESULT extern tree maybe_wrap_with_location (tree, location_t); extern int suppress_location_wrappers; |