1 files changed, 17 insertions, 0 deletions
diff --git a/test/msan/c-strdup.c b/test/msan/c-strdup.c
new file mode 100644
index 0000000000000..059300e4205ab
--- /dev/null
+++ b/test/msan/c-strdup.c
@@ -0,0 +1,17 @@
+// RUN: %clang_msan -m64 -O0 %s -o %t && %run %t >%t.out 2>&1
+// RUN: %clang_msan -m64 -O1 %s -o %t && %run %t >%t.out 2>&1
+// RUN: %clang_msan -m64 -O2 %s -o %t && %run %t >%t.out 2>&1
+// RUN: %clang_msan -m64 -O3 %s -o %t && %run %t >%t.out 2>&1
+
+// Test that strdup in C programs is intercepted.
+// GLibC headers translate strdup to __strdup at -O1 and higher.
+
+#include <stdlib.h>
+#include <string.h>
+int main(int argc, char **argv) {
+  char buf[] = "abc";
+  char *p = strdup(buf);
+  if (*p)
+    exit(0);
+  return 0;
+}