diff --git a/gdb-bz631158-cxx-this-lookup.patch b/gdb-bz631158-cxx-this-lookup.patch
new file mode 100644
index 0000000..9308f7b
--- /dev/null
+++ b/gdb-bz631158-cxx-this-lookup.patch
@@ -0,0 +1,14 @@
+https://bugzilla.redhat.com/show_bug.cgi?id=631158
+http://sourceware.org/ml/gdb-patches/2010-09/msg00229.html
+Subject: [patch] PR 11992 "Regression: C++ this scope sometimes does not work"
+
+--- ./gdb/c-exp.y	2010-09-11 19:34:17.000000000 +0200
++++ ./gdb/c-exp.y	2010-09-11 19:14:39.000000000 +0200
+@@ -2529,6 +2529,7 @@ yylex (void)
+         
+     if (sym == NULL 
+         && parse_language->la_language == language_cplus
++        && !is_a_field_of_this
+         && !lookup_minimal_symbol (tmp, NULL, NULL))
+       return UNKNOWN_CPP_NAME;
+ 
diff --git a/gdb.spec b/gdb.spec
index e386ce9..706fc82 100644
--- a/gdb.spec
+++ b/gdb.spec
@@ -36,7 +36,7 @@ Version: 7.1
 
 # The release always contains a leading reserved number, start it at 1.
 # `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
-Release: 33%{?_with_upstream:.upstream}%{dist}
+Release: 34%{?_with_upstream:.upstream}%{dist}
 
 License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ and GPLv2+ with exceptions and GPL+ and LGPLv2+ and GFDL and BSD and Public Domain
 Group: Development/Debuggers
@@ -542,6 +542,9 @@ Patch494: gdb-bz620012-slow-long-bt.patch
 # Fix GDB regression for starting on r/o filesystem (BZ 602644).
 Patch495: gdb-bz602644-ro-filesystem.patch
 
+# Fix symbol lookup misses methods of current class (BZ 631158, Sami Wagiaalla).
+Patch500: gdb-bz631158-cxx-this-lookup.patch
+
 BuildRequires: ncurses-devel%{?_isa} texinfo gettext flex bison expat-devel%{?_isa}
 Requires: readline%{?_isa}
 BuildRequires: readline-devel%{?_isa}
@@ -849,6 +852,7 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
 %patch492 -p1
 %patch494 -p1
 %patch495 -p1
+%patch500 -p1
 
 %patch415 -p1
 %patch393 -p1
@@ -1181,6 +1185,9 @@ fi
 %endif
 
 %changelog
+* Sat Sep 11 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.1-34.fc13
+- Fix symbol lookup misses methods of current class (BZ 631158, Sami Wagiaalla).
+
 * Thu Aug 19 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.1-33.fc13
 - Fix crash on MI variable calling inferior function (BZ 610986).