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authorJakub Jelinek <jakub@redhat.com>2011-03-11 15:47:26 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2011-03-11 15:47:26 +0100
commit4074f163fc39eedabb09f1ddcbd4c78bf55cb19b (patch)
tree8332b75e8eaf8ba251b4e7c6633d5cde4cab2653 /gcc
parent30f7cdcde6e9933e55e6bae37b5f5e785b28fa90 (diff)
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re PR middle-end/48044 (ICE in function_and_variable_visibility, at ipa.c:875)
PR middle-end/48044 * ipa.c (cgraph_remove_unreachable_nodes): Enqueue all vnode->force_output nodes as needed. * gcc.dg/torture/pr48044.c: New test. From-SVN: r170873
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/ipa.c4
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr48044.c7
4 files changed, 20 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4eb1024..1da3589 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-03-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/48044
+ * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
+ all vnode->force_output nodes as needed.
+
2011-03-11 Jason Merrill <jason@redhat.com>
PR c++/48069
diff --git a/gcc/ipa.c b/gcc/ipa.c
index 0320ded..4955408 100644
--- a/gcc/ipa.c
+++ b/gcc/ipa.c
@@ -1,5 +1,5 @@
/* Basic IPA optimizations and utilities.
- Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
+ Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GCC.
@@ -259,7 +259,7 @@ cgraph_remove_unreachable_nodes (bool before_inlining_p, FILE *file)
{
vnode->next_needed = NULL;
vnode->prev_needed = NULL;
- if (vnode->analyzed
+ if ((vnode->analyzed || vnode->force_output)
&& !varpool_can_remove_if_no_refs (vnode))
{
vnode->needed = false;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 54d77a6..6169459 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/48044
+ * gcc.dg/torture/pr48044.c: New test.
+
2011-03-11 Janus Weil <janus@gcc.gnu.org>
PR fortran/47768
diff --git a/gcc/testsuite/gcc.dg/torture/pr48044.c b/gcc/testsuite/gcc.dg/torture/pr48044.c
new file mode 100644
index 0000000..fe3b734
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr48044.c
@@ -0,0 +1,7 @@
+/* PR middle-end/48044 */
+/* { dg-do compile } */
+/* { dg-require-alias "" } */
+
+int a __asm__ ("b") = 0;
+extern int c __asm__ ("a") __attribute__ ((alias ("b")));
+extern int d __attribute__ ((weak, alias ("a")));