From 4cbc836ed7d6a17696e1bebfeca37582b199ce41 Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Fri, 20 Apr 2012 10:17:46 +0000 Subject: re PR c++/53050 (ssa_forward_propagate_and_combine: segmentation fault) 2012-04-20 Richard Guenther PR tree-optimization/53050 * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Do only one transform on COND_EXPRs at the same time. From-SVN: r186620 --- gcc/tree-ssa-forwprop.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'gcc/tree-ssa-forwprop.c') diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index 3e2371b..965f441 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -2536,9 +2536,12 @@ ssa_forward_propagate_and_combine (void) || code == VEC_COND_EXPR) { /* In this case the entire COND_EXPR is in rhs1. */ - changed |= forward_propagate_into_cond (&gsi); - changed |= combine_cond_exprs (&gsi); - stmt = gsi_stmt (gsi); + if (forward_propagate_into_cond (&gsi) + || combine_cond_exprs (&gsi)) + { + changed = true; + stmt = gsi_stmt (gsi); + } } else if (TREE_CODE_CLASS (code) == tcc_comparison) { -- cgit v1.1