3 files changed, 81 insertions, 5 deletions
diff --git a/compiler-rt/lib/tsan/lit_tests/deep_stack0.cc b/compiler-rt/lib/tsan/lit_tests/deep_stack0.cc
new file mode 100644
index 00000000000..7c0a8161a3f
--- /dev/null
+++ b/compiler-rt/lib/tsan/lit_tests/deep_stack0.cc
@@ -0,0 +1,38 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+volatile int X;
+volatile int N;
+void (*volatile F)();
+
+static void foo() {
+  if (--N == 0)
+    X = 42;
+  else
+    F();
+}
+
+void *Thread(void *p) {
+  sleep(1);
+  F();
+  return 0;
+}
+
+int main() {
+  N = 50000;
+  F = foo;
+  pthread_t t;
+  pthread_attr_t a;
+  pthread_attr_init(&a);
+  pthread_attr_setstacksize(&a, N * 256 + (1 << 20));
+  pthread_create(&t, &a, Thread, 0);
+  X = 43;
+  pthread_join(t, 0);
+}
+
+// CHECK: WARNING: ThreadSanitizer: data race
+// CHECK:    #100 foo
+// We must output suffucuently large stack (at least 100 frames)
+
diff --git a/compiler-rt/lib/tsan/lit_tests/deep_stack1.cc b/compiler-rt/lib/tsan/lit_tests/deep_stack1.cc
new file mode 100644
index 00000000000..929f1e6039a
--- /dev/null
+++ b/compiler-rt/lib/tsan/lit_tests/deep_stack1.cc
@@ -0,0 +1,38 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+volatile int X;
+volatile int N;
+void (*volatile F)();
+
+static void foo() {
+  if (--N == 0)
+    X = 42;
+  else
+    F();
+}
+
+void *Thread(void *p) {
+  F();
+  return 0;
+}
+
+int main() {
+  N = 50000;
+  F = foo;
+  pthread_t t;
+  pthread_attr_t a;
+  pthread_attr_init(&a);
+  pthread_attr_setstacksize(&a, N * 256 + (1 << 20));
+  pthread_create(&t, &a, Thread, 0);
+  sleep(1);
+  X = 43;
+  pthread_join(t, 0);
+}
+
+// CHECK: WARNING: ThreadSanitizer: data race
+// CHECK:    #100 foo
+// We must output suffucuently large stack (at least 100 frames)
+
diff --git a/compiler-rt/lib/tsan/lit_tests/global_race.cc b/compiler-rt/lib/tsan/lit_tests/global_race.cc
index 3e26792d8d6..cbe9f147221 100644
--- a/compiler-rt/lib/tsan/lit_tests/global_race.cc
+++ b/compiler-rt/lib/tsan/lit_tests/global_race.cc
@@ -4,7 +4,7 @@
 #include <stddef.h>
 
 int GlobalData[10];
-int y;
+int qwerty;
 namespace XXX {
   struct YYY {
     static int ZZZ[10];
@@ -14,19 +14,19 @@ namespace XXX {
 
 void *Thread(void *a) {
   GlobalData[2] = 42;
-  y = 1;
+  qwerty = 1;
   XXX::YYY::ZZZ[0] = 1;
   return 0;
 }
 
 int main() {
   fprintf(stderr, "addr=%p\n", GlobalData);
-  fprintf(stderr, "addr2=%p\n", &y);
+  fprintf(stderr, "addr2=%p\n", &qwerty);
   fprintf(stderr, "addr3=%p\n", XXX::YYY::ZZZ);
   pthread_t t;
   pthread_create(&t, 0, Thread, 0);
   GlobalData[2] = 43;
-  y = 0;
+  qwerty = 0;
   XXX::YYY::ZZZ[0] = 0;
   pthread_join(t, 0);
 }
@@ -37,6 +37,6 @@ int main() {
 // CHECK: WARNING: ThreadSanitizer: data race
 // CHECK: Location is global 'GlobalData' of size 40 at [[ADDR]] ({{.*}}+0x{{[0-9,a-f]+}})
 // CHECK: WARNING: ThreadSanitizer: data race
-// CHECK: Location is global 'y' of size 4 at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}})
+// CHECK: Location is global 'qwerty' of size 4 at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}})
 // CHECK: WARNING: ThreadSanitizer: data race
 // CHECK: Location is global 'XXX::YYY::ZZZ' of size 40 at [[ADDR3]] ({{.*}}+0x{{[0-9,a-f]+}})