[PATCH] D17642: [MSan] Mark dtls_test expected failure for MIPS

Evgeniy Stepanov via llvm-commits llvm-commits at lists.llvm.org
Fri Feb 26 12:35:47 PST 2016

eugenis added a comment.

Issue 44 is here: https://github.com/google/sanitizers/issues/547
And this failure shows that zero-initialized globals (.tbss) are not considered initialized by MSan, which is a bug somewhere in MSan TLS handling. See MsanThread::ClearShadowForThreadStackAndTLS.

Comment at: test/msan/dtls_test.c:10
@@ +9,3 @@
+// MIPS64 shows fails with uninitialized value in
+// nptl/pthread_create.c:311 (glibc 2.19)
+// XFAIL: mips64
it's in dtls_test.c:22:7, isn't it?



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