1 files changed, 33 insertions, 0 deletions
diff --git a/test/lsan/TestCases/print_suppressions.cc b/test/lsan/TestCases/print_suppressions.cc
new file mode 100644
index 000000000000..b292c0a7c3cf
--- /dev/null
+++ b/test/lsan/TestCases/print_suppressions.cc
@@ -0,0 +1,33 @@
+// Print matched suppressions only if print_suppressions=1 AND at least one is
+// matched. Default is print_suppressions=true.
+// RUN: LSAN_BASE="use_registers=0:use_stacks=0"
+// RUN: %clangxx_lsan %s -o %t
+// RUN: LSAN_OPTIONS=$LSAN_BASE:print_suppressions=0 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-dont-print
+// RUN: LSAN_OPTIONS=$LSAN_BASE %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-dont-print
+// RUN: LSAN_OPTIONS=$LSAN_BASE:print_suppressions=0 %run %t foo 2>&1 | FileCheck %s --check-prefix=CHECK-dont-print
+// RUN: LSAN_OPTIONS=$LSAN_BASE %run %t foo 2>&1 | FileCheck %s --check-prefix=CHECK-print
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "sanitizer/lsan_interface.h"
+
+extern "C"
+const char *__lsan_default_suppressions() {
+  return "leak:*LSanTestLeakingFunc*";
+}
+
+void LSanTestLeakingFunc() {
+  void *p = malloc(666);
+  fprintf(stderr, "Test alloc: %p.\n", p);
+}
+
+int main(int argc, char **argv) {
+  printf("print for nonempty output\n");
+  if (argc > 1)
+    LSanTestLeakingFunc();
+  return 0;
+}
+// CHECK-print: Suppressions used:
+// CHECK-print: 1 666 *LSanTestLeakingFunc*
+// CHECK-dont-print-NOT: Suppressions used: