From 8e8483e6dc3ca09f75d6e6d33f4a22fae6d7ff75 Mon Sep 17 00:00:00 2001 From: Martin Jambor Date: Fri, 13 Apr 2012 19:57:21 +0200 Subject: re PR middle-end/52939 (ice in gimple_get_virt_method_for_binfo with -O3) 2012-04-13 Martin Jambor PR middle-end/52939 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if fold_ctor_reference returns a zero constant. * testsuite/g++.dg/ipa/pr52939.C: New test. From-SVN: r186428 --- gcc/gimple-fold.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'gcc/gimple-fold.c') diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 0ea5d56..049da57 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -3087,7 +3087,7 @@ gimple_get_virt_method_for_binfo (HOST_WIDE_INT token, tree known_binfo) offset += token * size; fn = fold_ctor_reference (TREE_TYPE (TREE_TYPE (v)), DECL_INITIAL (v), offset, size); - if (!fn) + if (!fn || integer_zerop (fn)) return NULL_TREE; gcc_assert (TREE_CODE (fn) == ADDR_EXPR || TREE_CODE (fn) == FDESC_EXPR); -- cgit v1.1