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Fix PR ipa/65557

Message ID CAFULd4Zi5G2X22OqBV3StdqSMmx0pDp_HcjsevPWAosEL-Mo+A@mail.gmail.com
State New
Headers show

Commit Message

Uros Bizjak April 30, 2015, 9:11 p.m. UTC 
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.


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.
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Patch

--- /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;