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authorVolker Reichelt <reichelt@igpm.rwth-aachen.de>2006-08-05 23:41:22 +0000
committerVolker Reichelt <reichelt@gcc.gnu.org>2006-08-05 23:41:22 +0000
commitffc44ab6831b7834cc88993c3fec7e9563747184 (patch)
treefbc37391729f934dcc29d7e70e54e555edccd9ef /gcc/c-decl.c
parentc0bcacec2d602672e56efcd6575a629dd22a41d1 (diff)
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re PR c/28502 (ICE with invalid declaration after definition)
PR c/28502 * c-decl.c (validate_proto_after_old_defn): Return false on invalid argument. * gcc.dg/proto-1.c: New test. From-SVN: r115957
Diffstat (limited to 'gcc/c-decl.c')
-rw-r--r--gcc/c-decl.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index b900e8a..9a0e747 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;