From 85a20c42eacf836502c5dc0cc2afbd24666b2e86 Mon Sep 17 00:00:00 2001
From: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Fri, 1 Jul 2011 18:32:06 +0000
Subject: [PATCH] gdb/testsuite/ 	Test GCC PR debug/49546. 	*
 gdb.cp/temargs.exp (set sixth breakpoint for temargs) 	(test type of F in
 k3_m, test value of F in k3_m): New. 	* gdb.cp/temargs.cc (struct S3, struct
 K3): New. 	(main): New variable k3.  Call k3.k3_m.

---
 gdb/testsuite/ChangeLog          |  8 ++++++++
 gdb/testsuite/gdb.cp/temargs.cc  | 18 ++++++++++++++++++
 gdb/testsuite/gdb.cp/temargs.exp | 20 ++++++++++++++++++++
 3 files changed, 46 insertions(+)

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 00a7a45a33..e0c4a0ab16 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2011-07-01  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	Test GCC PR debug/49546.
+	* gdb.cp/temargs.exp (set sixth breakpoint for temargs)
+	(test type of F in k3_m, test value of F in k3_m): New.
+	* gdb.cp/temargs.cc (struct S3, struct K3): New.
+	(main): New variable k3.  Call k3.k3_m.
+
 2011-07-01  Jean-Charles Delay  <delay@adacore.com>
 
 	* gdb.ada/packed_array.exp: Fix expected outout.
diff --git a/gdb/testsuite/gdb.cp/temargs.cc b/gdb/testsuite/gdb.cp/temargs.cc
index b7abef76dc..10e2efd3e6 100644
--- a/gdb/testsuite/gdb.cp/temargs.cc
+++ b/gdb/testsuite/gdb.cp/temargs.cc
@@ -65,6 +65,21 @@ struct K2
   }
 };
 
+// GCC PR debug/49546
+struct S3
+{
+  static void m (int x) {}
+};
+template <void (*F) (int)>
+// or: template <void (F) (int)>
+struct K3
+{
+  void k3_m ()
+  {
+    F (0);	// Breakpoint 6.
+  }
+};
+
 int main ()
 {
   Base<double, 23, &a_global, &S::f> base;
@@ -72,12 +87,15 @@ int main ()
   // That would be worth testing, once g++ is fixed.
   Base<long, 47, &a_global, &S::f>::Inner<float> inner;
   K2<&S::somefunc> k2;
+  K3<&S3::m> k3;
+// or: K3<S3::m> k3;
 
   base.base_m ();
   inner.inner_m ();
   func<unsigned char, 91, &a_global, &S::f> ();
   base.templ_m<short> ();
   k2.k2_m ();
+  k3.k3_m ();
 
   return 0;
 }
diff --git a/gdb/testsuite/gdb.cp/temargs.exp b/gdb/testsuite/gdb.cp/temargs.exp
index 9774138a8e..85f01d92d9 100644
--- a/gdb/testsuite/gdb.cp/temargs.exp
+++ b/gdb/testsuite/gdb.cp/temargs.exp
@@ -75,6 +75,10 @@ set line [gdb_get_line_number "Breakpoint 5" $srcfile]
 gdb_test "break $srcfile:$line" "Breakpoint 6.*" \
     "set fifth breakpoint for temargs"
 
+set line [gdb_get_line_number "Breakpoint 6" $srcfile]
+gdb_test "break $srcfile:$line" "Breakpoint 7.*" \
+    "set sixth breakpoint for temargs"
+
 #
 # Tests in Base::base_m.
 #
@@ -166,3 +170,19 @@ gdb_test "ptype F" "type = void \\\(S::\\\*\\\)\\\(S \\\* const\\\)" \
 
 setup_kfail gcc/49366 "*-*-*"
 gdb_test "print F" "&S::somefunc" "test value of F in k2_m"
+
+#
+# Tests in K3::k3_m, GCC PR debug/49546.
+# The problem reproduces with DW_AT_MIPS_linkage_name.  It does not happen with
+# GDB physname - GDB's own computation of the linkage name based on
+# (incorrectly output by GCC) DW_AT_name.
+#
+
+gdb_continue_to_breakpoint "continue to sixth breakpoint for temargs"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
+gdb_test "ptype F" {type = void \(\*\)\(int\)} "test type of F in k3_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
+gdb_test "print F" { = \(void \(\*\)\(int\)\) 0x[0-9a-f]+ <S3::m\(int\)>} \
+	 "test value of F in k3_m"