From: Jan Hubicka <jh@suse.cz>
Date: Fri, 5 Aug 2011 20:20:07 +0000 (+0200)
Subject: re PR tree-optimization/49735 (mips64-elf libgcc build fails with apparently infinite... 
X-Git-Tag: releases/gcc-4.7.0~4598
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f791d3338777d809968269219240a037fba0a57c;p=thirdparty%2Fgcc.git

re PR tree-optimization/49735 (mips64-elf libgcc build fails with apparently infinite recursion.)

        PR middle-end/49735
        * gcc.c-torture/compile/pr49735.c: New testcase
        * ipa-inline.c (recursive_inlining): Look through aliases.

From-SVN: r177482
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b9c089da34f3..714a3c987241 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-05  Jan Hubicka  <jh@suse.cz>
+
+	PR middle-end/49735
+	* ipa-inline.c (recursive_inlining): Look through aliases.
+
 2011-08-05  Jason Merrill  <jason@redhat.com>
 
 	* config/i386/i386.c (setup_incoming_varargs_ms_64): Move
diff --git a/gcc/ipa-inline.c b/gcc/ipa-inline.c
index 366fc2287806..c10a61822837 100644
--- a/gcc/ipa-inline.c
+++ b/gcc/ipa-inline.c
@@ -1206,8 +1206,9 @@ recursive_inlining (struct cgraph_edge *edge,
       depth = 1;
       for (cnode = curr->caller;
 	   cnode->global.inlined_to; cnode = cnode->callers->caller)
-	if (node->decl == curr->callee->decl)
-	  depth++;
+	if (node->decl
+	    == cgraph_function_or_thunk_node (curr->callee, NULL)->decl)
+          depth++;
 
       if (!want_inline_self_recursive_call_p (curr, node, false, depth))
 	continue;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dfa765f7050c..4739dbc9f952 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-05  Jan Hubicka  <jh@suse.cz>
+
+	PR middle-end/49735
+	* gcc.c-torture/compile/pr49735.c: New testcase.
+
 2011-08-05  Jason Merrill  <jason@redhat.com>
 
 	PR c++/47453
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr49735.c b/gcc/testsuite/gcc.c-torture/compile/pr49735.c
new file mode 100644
index 000000000000..ec5cbdcb48ea
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr49735.c
@@ -0,0 +1,4 @@
+/* { dg-require-alias "" } */
+void bar (void);
+static void foo (void) { bar (); }
+void bar (void) __attribute__((alias("foo")));