1 files changed, 16 insertions, 0 deletions
diff --git a/test/tsan/printf-1.c b/test/tsan/printf-1.c
new file mode 100644
index 0000000000000..9116c956e30e7
--- /dev/null
+++ b/test/tsan/printf-1.c
@@ -0,0 +1,16 @@
+// RUN: %clang_tsan -O2 %s -o %t
+// RUN: ASAN_OPTIONS=check_printf=1 %run %t 2>&1 | FileCheck %s
+// RUN: ASAN_OPTIONS=check_printf=0 %run %t 2>&1 | FileCheck %s
+// RUN: %run %t 2>&1 | FileCheck %s
+
+#include <stdio.h>
+int main() {
+  volatile char c = '0';
+  volatile int x = 12;
+  volatile float f = 1.239;
+  volatile char s[] = "34";
+  printf("%c %d %.3f %s\n", c, x, f, s);
+  return 0;
+  // Check that printf works fine under Tsan.
+  // CHECK: 0 12 1.239 34
+}