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tree-optimization/99165 - fix ICE in store-merging w/ non-call EH 

This adds a missing accumulation to ret.

2021-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/99165
	* gimple-ssa-store-merging.c (pass_store_merging::process_store):
	Accumulate changed to ret.

	* g++.dg/pr99165.C: New testcase.
This commit is contained in:
Richard Biener 2021-02-22 08:36:55 +01:00
parent 60b99ee3bc
commit 8a8eee6bdb
2 changed files with 8 additions and 1 deletions
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2
gcc/gimple-ssa-store-merging.c
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@ -5230,7 +5230,7 @@ pass_store_merging::process_store (gimple *stmt)
if (idx >= (unsigned)param_max_store_chains_to_track
|| (n_stores + (*e)->m_store_info.length ()
> (unsigned)param_max_stores_to_track))
terminate_and_process_chain (*e);
ret |= terminate_and_process_chain (*e);
else
{
n_stores += (*e)->m_store_info.length ();

7
gcc/testsuite/g++.dg/pr99165.C Normal file
View File

@ -0,0 +1,7 @@
// { dg-do compile }
// { dg-options "-O2 -fnon-call-exceptions --param=max-stores-to-track=2" }
struct A {
A() : i() {}
int i;
} *ap2 = new A[3];