diff options
| -rw-r--r-- | gcc/cp/cp-gimplify.c | 8 | ||||
| -rw-r--r-- | gcc/testsuite/c-c++-common/Wparentheses-2.c | 18 |
2 files changed, 24 insertions, 2 deletions
diff --git a/gcc/cp/cp-gimplify.c b/gcc/cp/cp-gimplify.c index 53d715d..d6723e4 100644 --- a/gcc/cp/cp-gimplify.c +++ b/gcc/cp/cp-gimplify.c @@ -2744,8 +2744,6 @@ cp_fold (tree x) else x = org_x; } - if (code == MODIFY_EXPR && TREE_CODE (x) == MODIFY_EXPR) - TREE_THIS_VOLATILE (x) = TREE_THIS_VOLATILE (org_x); break; @@ -2994,6 +2992,12 @@ cp_fold (tree x) return org_x; } + if (EXPR_P (x) && TREE_CODE (x) == code) + { + TREE_THIS_VOLATILE (x) = TREE_THIS_VOLATILE (org_x); + TREE_NO_WARNING (x) = TREE_NO_WARNING (org_x); + } + if (!c.evaluation_restricted_p ()) { fold_cache->put (org_x, x); diff --git a/gcc/testsuite/c-c++-common/Wparentheses-2.c b/gcc/testsuite/c-c++-common/Wparentheses-2.c new file mode 100644 index 0000000..1aa5d31 --- /dev/null +++ b/gcc/testsuite/c-c++-common/Wparentheses-2.c @@ -0,0 +1,18 @@ +// PR c++/95344 - bogus -Wparentheses warning. +// { dg-do compile } +// { dg-options "-Wparentheses" } + +#ifndef __cplusplus +# define bool _Bool +# define true 1 +# define false 0 +#endif + +void +f (int i) +{ + bool b = false; + if (i == 99 ? (b = true) : false) // { dg-bogus "suggest parentheses" } + { + } +} |