diff --git a/compiler-rt/lib/asan/Makefile.old b/compiler-rt/lib/asan/Makefile.old
index cf14acea26ea..addb7865424b 100644
--- a/compiler-rt/lib/asan/Makefile.old
+++ b/compiler-rt/lib/asan/Makefile.old
@@ -210,7 +210,7 @@ all: b64 b32
 test: t64 t32 output_tests lint
 
 output_tests: b32 b64
-	cd tests && ./test_output.sh $(CLANG_CXX)
+	cd tests && ./test_output.sh $(CLANG_CXX) $(CLANG_CC)
 
 t64: b64
 	$(BIN)/asan_test64
diff --git a/compiler-rt/lib/asan/tests/asan_exceptions_test.cc b/compiler-rt/lib/asan/tests/asan_exceptions_test.cc
index b4d656bdd218..ecd406de7561 100644
--- a/compiler-rt/lib/asan/tests/asan_exceptions_test.cc
+++ b/compiler-rt/lib/asan/tests/asan_exceptions_test.cc
@@ -9,7 +9,7 @@ class Action {
     fprintf(stderr, "%s\n", msg.c_str());
   }
   void Throw(const char& arg) const {
-    PrintString("PrintString called!"); // this line is important
+    PrintString("PrintString called!");  // this line is important
     throw arg;
   }
 };
@@ -19,7 +19,7 @@ int main() {
   fprintf(stderr, "&a before = %p\n", &a);
   try {
     a.Throw('c');
-  } catch (const char&) {
+  } catch(const char&) {
     fprintf(stderr, "&a in catch = %p\n", &a);
   }
   fprintf(stderr, "&a final = %p\n", &a);
diff --git a/compiler-rt/lib/asan/tests/test_output.sh b/compiler-rt/lib/asan/tests/test_output.sh
index 0d83a0192636..dff48d2c286f 100755
--- a/compiler-rt/lib/asan/tests/test_output.sh
+++ b/compiler-rt/lib/asan/tests/test_output.sh
@@ -2,9 +2,16 @@
 
 OS=`uname`
 CXX=$1
+CC=$2
 CXXFLAGS="-mno-omit-leaf-frame-pointer"
 SYMBOLIZER=../scripts/asan_symbolize.py
 
+C_TEST=use-after-free
+$CC -g -faddress-sanitizer -O2 $C_TEST.c  || exit 1
+echo "Sanity checking a test in pure C"
+./a.out 2>&1 | grep "heap-use-after-free" > /dev/null || exit 1
+rm ./a.out
+
 for t in  *.tmpl; do
   for b in 32 64; do
     for O in 0 1 2 3; do
@@ -29,4 +36,5 @@ for t in  *.tmpl; do
     done
   done
 done
+
 exit 0