diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 73bfcf0..5ad4d92 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -1969,7 +1969,7 @@ truthvalue_conversion (expr) return real_zerop (expr) ? boolean_false_node : boolean_true_node; case ADDR_EXPR: - /* If we are taking the address of a external decl, it might be zero + /* If we are taking the address of an external decl, it might be zero if it is weak, so we cannot optimize. */ if (DECL_P (TREE_OPERAND (expr, 0)) && DECL_EXTERNAL (TREE_OPERAND (expr, 0))) |