From d9e1f37fad2db0cd749cd5c6f9e94972c8472610 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Tue, 12 Mar 2019 07:56:23 +0000 Subject: re PR tree-optimization/89664 (ICE in free_bb, at tree-ssa-math-opts.c:522) 2019-03-12 Richard Biener PR tree-optimization/89664 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly free the occurance tree after the early out. * gfortran.dg/pr89664.f90: New testcase. From-SVN: r269604 --- gcc/tree-ssa-math-opts.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'gcc/tree-ssa-math-opts.c') diff --git a/gcc/tree-ssa-math-opts.c b/gcc/tree-ssa-math-opts.c index 5f1b369..cb8a914 100644 --- a/gcc/tree-ssa-math-opts.c +++ b/gcc/tree-ssa-math-opts.c @@ -799,7 +799,7 @@ execute_cse_reciprocals_1 (gimple_stmt_iterator *def_gsi, tree def) /* If it is more profitable to optimize 1 / x, don't optimize 1 / (x * x). */ if (sqrt_recip_count > square_recip_count) - return; + goto out; /* Do the expensive part only if we can hope to optimize something. */ if (count + square_recip_count >= threshold && count >= 1) @@ -842,6 +842,7 @@ execute_cse_reciprocals_1 (gimple_stmt_iterator *def_gsi, tree def) } } +out: for (occ = occ_head; occ; ) occ = free_bb (occ); -- cgit v1.1