Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 65 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/simple_stack.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/simple_stack.c
new file mode 100644
index 000000000..b66a67085
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/simple_stack.c
@@ -0,0 +1,65 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int Global;
+
+void __attribute__((noinline)) foo1() {
+  Global = 42;
+}
+
+void __attribute__((noinline)) bar1() {
+  volatile int tmp = 42; (void)tmp;
+  foo1();
+}
+
+void __attribute__((noinline)) foo2() {
+  volatile int v = Global; (void)v;
+}
+
+void __attribute__((noinline)) bar2() {
+  volatile int tmp = 42; (void)tmp;
+  foo2();
+}
+
+void *Thread1(void *x) {
+  sleep(1);
+  bar1();
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  bar2();
+  return NULL;
+}
+
+void StartThread(pthread_t *t, void *(*f)(void*)) {
+  pthread_create(t, NULL, f, NULL);
+}
+
+int main() {
+  pthread_t t[2];
+  StartThread(&t[0], Thread1);
+  StartThread(&t[1], Thread2);
+  pthread_join(t[0], NULL);
+  pthread_join(t[1], NULL);
+  return 0;
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*" } */
+/* { dg-output "  Write of size 4 at .* by thread T1:(\n|\r\n|\r)" } */
+/* { dg-output "    #0 foo1.* .*(simple_stack.c:10|\\?{2}:0) (.*)" } */
+/* { dg-output "    #1 bar1.* .*(simple_stack.c:15|\\?{2}:0) (.*)" } */
+/* { dg-output "    #2 Thread1.* .*(simple_stack.c:29|\\?{2}:0) (.*)" } */
+/* { dg-output "  Previous read of size 4 at .* by thread T2:(\n|\r\n|\r)" } */
+/* { dg-output "    #0 foo2.* .*(simple_stack.c:19|\\?{2}:0) (.*)" } */
+/* { dg-output "    #1 bar2.* .*(simple_stack.c:24|\\?{2}:0) (.*)" } */
+/* { dg-output "    #2 Thread2.* .*(simple_stack.c:34|\\?{2}:0) (.*)" } */
+/* { dg-output "  Thread T1 \\(tid=.*, running\\) created by main thread at:(\n|\r\n|\r)" } */
+/* { dg-output "    #0 pthread_create .* (.*)" } */
+/* { dg-output "    #1 StartThread.* .*(simple_stack.c:39|\\?{2}:0) (.*)" } */
+/* { dg-output "  Thread T2 (.*) created by main thread at:(\n|\r\n|\r)" } */
+/* { dg-output "    #0 pthread_create .* (.*)" } */
+/* { dg-output "    #1 StartThread.* .*(simple_stack.c:39|\\?{2}:0) (.*)" } */