Before gcc-3.4 assembler was supposed to be in /usr/lib/gcc-lib/<TARGET>
After gcc-3.4 assembler location moved to /usr/libexec/gcc/<TARGET>

Add gcc-3.4-style path.
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -4010,3 +4010,7 @@ elif test x$host = x$target; then
 
-	test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
+	test_dirs="$test_prefix/libexec/gcc/$target/$gcc_version \
+		   $test_prefix/libexec/gcc/$target \
+		   /usr/libexec/gcc/$target/$gcc_version \
+		   /usr/libexec/gcc/$target \
+		   $test_prefix/lib/gcc-lib/$target/$gcc_version \
 		   $test_prefix/lib/gcc-lib/$target \
--- a/gcc/configure
+++ b/gcc/configure
@@ -8161,3 +8161,7 @@ elif test x$host = x$target; then
 
-	test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
+	test_dirs="$test_prefix/libexec/gcc/$target/$gcc_version \
+		   $test_prefix/libexec/gcc/$target \
+		   /usr/libexec/gcc/$target/$gcc_version \
+		   /usr/libexec/gcc/$target \
+		   $test_prefix/lib/gcc-lib/$target/$gcc_version \
 		   $test_prefix/lib/gcc-lib/$target \