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| author | Martin Sebor <msebor@redhat.com> | 2020-08-28 08:26:32 -0600 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2020-08-28 08:26:32 -0600 |
| commit | ba6373a39782139789f0eeba7c0e607ec6dfb477 (patch) | |
| tree | 08e4bc7b94b6f94a7c0be13f89b223d569de5db7 /gcc/c | |
| parent | cb3c3d63315ceb4dc262e5efb83b42c73c43387d (diff) | |
| download | gcc-ba6373a39782139789f0eeba7c0e607ec6dfb477.zip gcc-ba6373a39782139789f0eeba7c0e607ec6dfb477.tar.gz gcc-ba6373a39782139789f0eeba7c0e607ec6dfb477.tar.bz2 | |
PR c/96596 - ICE in match_builtin_function_types on a declaration of a built-in with invalid array argument
gcc/c/ChangeLog:
PR c/96596
* c-decl.c (match_builtin_function_types): Avoid dealing with erroneous
argument type.
gcc/testsuite/ChangeLog:
PR c/96596
* gcc.dg/Wbuiltin-declaration-mismatch-16.c: New test.
Diffstat (limited to 'gcc/c')
| -rw-r--r-- | gcc/c/c-decl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index 5d6b504..190c00b 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -1712,7 +1712,10 @@ match_builtin_function_types (tree newtype, tree oldtype, return NULL_TREE; tree oldtype = TYPE_MAIN_VARIANT (TREE_VALUE (oldargs)); - tree newtype = TYPE_MAIN_VARIANT (TREE_VALUE (newargs)); + tree newtype = TREE_VALUE (newargs); + if (newtype == error_mark_node) + return NULL_TREE; + newtype = TYPE_MAIN_VARIANT (newtype); if (!types_close_enough_to_match (oldtype, newtype)) return NULL_TREE; |