diff options
Diffstat (limited to 'gcc/c-family')
| -rw-r--r-- | gcc/c-family/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c-family/c-warn.c | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index 3f195ebcc5d..0d805c64bde 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,9 @@ +2020-03-23 Jakub Jelinek <jakub@redhat.com> + + PR c++/91993 + * c-warn.c (warnings_for_convert_and_check): For expr and/or + result being COMPOUND_EXPRs, skip to ultimate rhs. + 2020-03-20 Richard Sandiford <richard.sandiford@arm.com> PR middle-end/94072 diff --git a/gcc/c-family/c-warn.c b/gcc/c-family/c-warn.c index 9315cac683e..f6b3afc727c 100644 --- a/gcc/c-family/c-warn.c +++ b/gcc/c-family/c-warn.c @@ -1359,6 +1359,11 @@ warnings_for_convert_and_check (location_t loc, tree type, tree expr, { loc = expansion_point_location_if_in_system_header (loc); + while (TREE_CODE (expr) == COMPOUND_EXPR) + expr = TREE_OPERAND (expr, 1); + while (TREE_CODE (result) == COMPOUND_EXPR) + result = TREE_OPERAND (result, 1); + bool cst = TREE_CODE_CLASS (TREE_CODE (result)) == tcc_constant; tree exprtype = TREE_TYPE (expr); |