diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 639601d..92e58c9 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -1556,11 +1556,22 @@ conversion_warning (tree type, tree expr) { bool give_warning = false; + int i; + const int expr_num_operands = TREE_OPERAND_LENGTH (expr); tree expr_type = TREE_TYPE (expr); if (!warn_conversion && !warn_sign_conversion) return; + /* If any operand is artificial, then this expression was generated + by the compiler and we do not warn. */ + for (i = 0; i < expr_num_operands; i++) + { + tree op = TREE_OPERAND (expr, i); + if (DECL_P (op) && DECL_ARTIFICIAL (op)) + return; + } + switch (TREE_CODE (expr)) { case EQ_EXPR: |