diff --git a/gcc-4.9.1-libbacktrace-fix-null-callback.patch b/gcc-4.9.1-libbacktrace-fix-null-callback.patch
new file mode 100644
index 0000000..b7b52d6
--- /dev/null
+++ b/gcc-4.9.1-libbacktrace-fix-null-callback.patch
@@ -0,0 +1,11 @@
+--- gcc-linaro-4.9-2014.07/libbacktrace/elf.c.orig	2014-03-07 09:07:56.000000000 +0400
++++ gcc-linaro-4.9-2014.07/libbacktrace/elf.c	2014-08-13 12:56:23.285272323 +0400
+@@ -925,7 +925,7 @@
+   int ret;
+   int found_sym;
+   int found_dwarf;
+-  fileline elf_fileline_fn;
++  fileline elf_fileline_fn = elf_nodebug;
+   struct phdr_data pd;
+ 
+   ret = elf_add (state, descriptor, 0, error_callback, data, &elf_fileline_fn,
diff --git a/gcc.spec b/gcc.spec
index be6033b..9e4a8d1 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -200,7 +200,7 @@ Name:		gcc
 %else
 Name:		gcc%{branch}
 %endif
-Release:	2
+Release:	3
 License:	GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
 Group:		Development/C
 Url:		http://gcc.gnu.org/
@@ -253,6 +253,8 @@ Patch12:	gcc-4.8-non-fatal-compare-failure.patch
 Patch13:	Gcc-4.8.2-arm-thumb2-CASE_VECTOR_SHORTEN_MODE.patch
 # Backport from upstream
 Patch14:	gcc-4.9.1-bug61801.patch
+# Fix for fileline_fn callback being NULL in libbacktrace sometimes
+Patch15:	gcc-4.9.1-libbacktrace-fix-null-callback.patch
 
 BuildRequires:	binutils >= 2.20.51.0.2
 BuildRequires:	dejagnu
@@ -2170,6 +2172,7 @@ Static liblsan.
 %patch12 -p1 -b .compare~
 %patch13 -p1 -b .short
 %patch14 -p2 -b .bug61801
+%patch15 -p1 -b .libbacktrace
 
 aclocal -I config
 autoconf