tsan: fix bug in suppression reading (suppressions from file were discarded)


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@175153 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/tsan/rtl/tsan_suppressions.cc b/lib/tsan/rtl/tsan_suppressions.cc
index 3419c3b..941c208 100644
--- a/lib/tsan/rtl/tsan_suppressions.cc
+++ b/lib/tsan/rtl/tsan_suppressions.cc
@@ -140,7 +140,7 @@
   g_suppressions = SuppressionParse(0, supp);
 #ifndef TSAN_GO
   supp = __tsan_default_suppressions();
-  g_suppressions = SuppressionParse(0, supp);
+  g_suppressions = SuppressionParse(g_suppressions, supp);
 #endif
 }