From f9fb0b2d9f19b8c8a54584a3c98994127262b2c8 Mon Sep 17 00:00:00 2001
From: DJ Delorie <dj@redhat.com>
Date: Mon, 10 Oct 2011 21:02:57 +0000
Subject: [PATCH] merge from gcc

---
 libiberty/ChangeLog                   |  7 +++++++
 libiberty/cp-demangle.c               | 24 ++++++++++++++++++++++++
 libiberty/testsuite/demangle-expected |  5 +++++
 3 files changed, 36 insertions(+)

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 59460e43f0..6859afa04c 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,10 @@
+2011-10-10  Ian Lance Taylor  <iant@google.com>
+
+	PR c++/48665
+	* cp-demangle.c (d_cv_qualifiers): If qualifiers are applied to a
+	function type, change them to apply to the "this" parameter.
+	* testsuite/demangle-expected: Add test case.
+
 2011-09-28  Doug Evans  <dje@google.com>
 
 	* timeval-utils.c: New file.
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 32318e89fd..c7afef01f6 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -2294,8 +2294,10 @@ static struct demangle_component **
 d_cv_qualifiers (struct d_info *di,
                  struct demangle_component **pret, int member_fn)
 {
+  struct demangle_component **pstart;
   char peek;
 
+  pstart = pret;
   peek = d_peek_char (di);
   while (peek == 'r' || peek == 'V' || peek == 'K')
     {
@@ -2332,6 +2334,28 @@ d_cv_qualifiers (struct d_info *di,
       peek = d_peek_char (di);
     }
 
+  if (!member_fn && peek == 'F')
+    {
+      while (pstart != pret)
+	{
+	  switch ((*pstart)->type)
+	    {
+	    case DEMANGLE_COMPONENT_RESTRICT:
+	      (*pstart)->type = DEMANGLE_COMPONENT_RESTRICT_THIS;
+	      break;
+	    case DEMANGLE_COMPONENT_VOLATILE:
+	      (*pstart)->type = DEMANGLE_COMPONENT_VOLATILE_THIS;
+	      break;
+	    case DEMANGLE_COMPONENT_CONST:
+	      (*pstart)->type = DEMANGLE_COMPONENT_CONST_THIS;
+	      break;
+	    default:
+	      break;
+	    }
+	  pstart = &d_left (*pstart);
+	}
+    }
+
   return pret;
 }
 
diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected
index 64ccb92968..70abf681ae 100644
--- a/libiberty/testsuite/demangle-expected
+++ b/libiberty/testsuite/demangle-expected
@@ -4198,3 +4198,8 @@ f1<int>
 _Z3fooi._omp_cpyfn.6
 foo(int) [clone ._omp_cpyfn.6]
 foo
+#
+--format=gnu-v3 --no-params
+_Z1fIKFvvES0_Evv
+void f<void () const, void ()>()
+f<void () const, void ()>