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| author | reichelt <reichelt@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-08-05 23:41:22 +0000 |
|---|---|---|
| committer | reichelt <reichelt@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-08-05 23:41:22 +0000 |
| commit | cd27e3acbd98d582d3adcc8a89973841e0c78361 (patch) | |
| tree | fbc37391729f934dcc29d7e70e54e555edccd9ef /gcc/c-decl.c | |
| parent | ab77410140d94af9295eaa9ba17fa56df37bd90d (diff) | |
| download | gcc-cd27e3acbd98d582d3adcc8a89973841e0c78361.tar.gz | |
PR c/28502
* c-decl.c (validate_proto_after_old_defn): Return false on invalid
argument.
* gcc.dg/proto-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@115957 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index b900e8a8d5d..9a0e747c713 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1083,8 +1083,14 @@ validate_proto_after_old_defn (tree newdecl, tree newtype, tree oldtype) for (;;) { - tree oldargtype = TYPE_MAIN_VARIANT (TREE_VALUE (oldargs)); - tree newargtype = TYPE_MAIN_VARIANT (TREE_VALUE (newargs)); + tree oldargtype = TREE_VALUE (oldargs); + tree newargtype = TREE_VALUE (newargs); + + if (oldargtype == error_mark_node || newargtype == error_mark_node) + return false; + + oldargtype = TYPE_MAIN_VARIANT (oldargtype); + newargtype = TYPE_MAIN_VARIANT (newargtype); if (END_OF_ARGLIST (oldargtype) && END_OF_ARGLIST (newargtype)) break; |