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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c')
-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c
new file mode 100644
index 000000000..423867e38
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c
@@ -0,0 +1,20 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <stddef.h>
+
+void *Thread(void *a) {
+ *(int*)a = 43;
+ return 0;
+}
+
+int main() {
+ static __thread int Var = 42;
+ pthread_t t;
+ pthread_create(&t, 0, Thread, &Var);
+ Var = 43;
+ pthread_join(t, 0);
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r).*" } */
+/* { dg-output " Location is TLS of main thread.(\n|\r\n|\r).*" } */