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Re: [PATCH] Fix PR ipa/65557
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Cc: Martin Liska <mliska at suse dot cz>
- Date: Thu, 30 Apr 2015 23:11:34 +0200
- Subject: Re: [PATCH] Fix PR ipa/65557
- Authentication-results: sourceware.org; auth=none
Hello!
> 2015-03-29 Martin Liska <mliska@suse.cz>
>
> PR ipa/65557
> * ipa-icf.c (sem_function::equals_wpa): Check if IPA CP
> has already filled up function summary.
> (sem_item_optimizer::update_hash_by_addr_refs): Likewise.
>
> gcc/testsuite/ChangeLog:
>
> 2015-03-29 Martin Liska <mliska@suse.cz>
>
> * g++.dg/ipa/pr65557.C: New test.
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ipa/pr65557.C
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-ipa-icf-details" } */
+
+struct S0
+{
+ S0 ()
+ {
+ }
+};
+
+struct S1
+{
+ S1 ()
+ {
+ }
+};
+
+S0 s0;
+S1 s1;
The testcase doesn't clean its IPA dump. However, there is also no
scan dump function, so it is questionable, what the testcase tries to
do with the dump. Also, the flags that trigger the bug in the PR are
different: "-fdevirtualize -fipa-cp -fipa-icf-functions".
Can you please check the testcase?
Uros.