1 files changed, 41 insertions, 0 deletions
diff --git a/test/msan/recover.cc b/test/msan/recover.cc
new file mode 100644
index 0000000000000..cb9916ef4755b
--- /dev/null
+++ b/test/msan/recover.cc
@@ -0,0 +1,41 @@
+// RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %run %t >%t.out 2>&1
+// FileCheck %s <%t.out
+
+// Test behavior of -fsanitize-recover=memory and MSAN_OPTIONS=keep_going.
+// -fsanitize-recover=memory provides the default value of keep_going flag; value
+// of 1 can be overwritten by MSAN_OPTIONS, value of 0 can not.
+
+// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && not %run %t >%t.out 2>&1
+// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
+// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %run %t >%t.out 2>&1
+// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
+// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=halt_on_error=1 not %run %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=halt_on_error=0 not %run %t >%t.out 2>&1
+// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
+
+// Basic test of legacy -mllvm -msan-keep-going and MSAN_OPTIONS=keep_going.
+
+// RUN: %clangxx_msan -mllvm -msan-keep-going=1 -O0 %s -o %t && not %run %t >%t.out 2>&1
+// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
+// RUN: %clangxx_msan -mllvm -msan-keep-going=1 -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1
+// FileCheck %s <%t.out
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) {
+  char *volatile x = (char*)malloc(5 * sizeof(char));
+  if (x[0])
+    exit(0);
+  fprintf(stderr, "Done\n");
+  // CHECK-NOT: Done
+  // CHECK-RECOVER: Done
+  return 0;
+}