diff options
-rw-r--r-- | gcc/c-decl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index f4c4a067c6a..f9860e299af 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -5031,6 +5031,13 @@ grokdeclarator (declarator, declspecs, decl_context, initialized) && ! DECL_IN_SYSTEM_HEADER (decl)) pedwarn ("ANSI C forbids const or volatile functions"); + if (pedantic + && TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (decl))) == void_type_node + && (TYPE_READONLY (TREE_TYPE (TREE_TYPE (decl))) + || TYPE_VOLATILE (TREE_TYPE (TREE_TYPE (decl)))) + && ! DECL_IN_SYSTEM_HEADER (decl)) + pedwarn ("ANSI C forbids const or volatile void function return type"); + if (volatilep && TREE_TYPE (TREE_TYPE (decl)) != void_type_node) warning ("`noreturn' function returns non-void value"); |