From aff08b126b009b28739e609f161e598de4caa44a Mon Sep 17 00:00:00 2001
From: Richard Guenther <rguenther@suse.de>
Date: Fri, 23 Jul 2010 19:30:37 +0000
Subject: [PATCH] re PR lto/43071 (ICE: SIGSEGV with -fwhopr -fcompare-debug)

2010-07-23  Richard Guenther  <rguenther@suse.de>

	PR lto/43071
	* gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
	for -flto and -fwhopr.

	* g++.dg/lto/20100723-1_0.C: New testcase.

From-SVN: r162481
---
 gcc/ChangeLog                           |  6 ++++++
 gcc/gcc.c                               |  1 +
 gcc/testsuite/ChangeLog                 |  5 +++++
 gcc/testsuite/g++.dg/lto/20100723-1_0.C | 12 ++++++++++++
 4 files changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/lto/20100723-1_0.C

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0a566ff5432..a616cde006e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-23  Richard Guenther  <rguenther@suse.de>
+
+	PR lto/43071
+	* gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
+	for -flto and -fwhopr.
+
 2010-07-23  Kai Tietz  <kai.tietz@onevision.com>
 
 	PR target/41943
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 6a0dae5c5a0..efaf8133ce6 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -752,6 +752,7 @@ proper position among the other output files.  */
     %{static|static-libgcc:-plugin-opt=-pass-through=%(lto_libgcc)}	\
     %{static:-plugin-opt=-pass-through=-lc}	\
     } \
+    %{flto:%<fcompare-debug*} %{fwhopr*:%<fcompare-debug*} \
     %{flto} %{fwhopr*} %l " LINK_PIE_SPEC \
    "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
     %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f6a20dc290a..9e8c046b2aa 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-23  Richard Guenther  <rguenther@suse.de>
+
+	PR lto/43071
+	* g++.dg/lto/20100723-1_0.C: New testcase.
+
 2010-07-23  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* gcc.target/i386/aes-avx-check.h (main): Require OSXSAVE for
diff --git a/gcc/testsuite/g++.dg/lto/20100723-1_0.C b/gcc/testsuite/g++.dg/lto/20100723-1_0.C
new file mode 100644
index 00000000000..e8d3c8cd40b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lto/20100723-1_0.C
@@ -0,0 +1,12 @@
+/* { dg-lto-do link } */
+/* { dg-lto-options {{-fcompare-debug -flto} {-fcompare-debug -fwhopr}} } */
+
+struct S {
+    virtual void f() { }
+};
+
+int main(int, char *[])
+{
+  S s;
+  return 0;
+}
-- 
2.30.2