From 9f7d77bd6d65aa1cf2e195d3776052705c6e636b Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Sat, 10 Apr 2021 17:01:54 +0200 Subject: c: Avoid clobbering TREE_TYPE (error_mark_node) [PR99990] The following testcase ICEs during error recovery, because finish_decl overwrites TREE_TYPE (error_mark_node), which better should stay always to be error_mark_node. 2021-04-10 Jakub Jelinek PR c/99990 * c-decl.c (finish_decl): Don't overwrite TREE_TYPE of error_mark_node. * gcc.dg/pr99990.c: New test. --- gcc/c/c-decl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'gcc/c/c-decl.c') diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index 3b2241b..3c25451 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -5402,7 +5402,7 @@ finish_decl (tree decl, location_t init_loc, tree init, gcc_unreachable (); } - if (DECL_INITIAL (decl)) + if (DECL_INITIAL (decl) && DECL_INITIAL (decl) != error_mark_node) TREE_TYPE (DECL_INITIAL (decl)) = type; relayout_decl (decl); -- cgit v1.1