[PowerPC] Disable failing dynamic tls test cases

Due to recent kernel upgrades, these test case fail on PowerPC buildbots.
This is a known problem on affected kernels.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@328091 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/lsan/TestCases/Linux/use_tls_dynamic.cc b/test/lsan/TestCases/Linux/use_tls_dynamic.cc
index f5df231..4d70a46 100644
--- a/test/lsan/TestCases/Linux/use_tls_dynamic.cc
+++ b/test/lsan/TestCases/Linux/use_tls_dynamic.cc
@@ -5,7 +5,7 @@
 // RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=0" not %run %t 2>&1 | FileCheck %s
 // RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=1" %run %t 2>&1
 // RUN: %env_lsan_opts="" %run %t 2>&1
-// UNSUPPORTED: i386-linux,arm
+// UNSUPPORTED: i386-linux,arm,powerpc
 
 #ifndef BUILD_DSO
 #include <assert.h>
diff --git a/test/msan/dtls_test.c b/test/msan/dtls_test.c
index a69c45f..bcb1c18 100644
--- a/test/msan/dtls_test.c
+++ b/test/msan/dtls_test.c
@@ -7,6 +7,7 @@
    and https://github.com/google/sanitizers/issues/547
 
    XFAIL: freebsd
+   UNSUPPORTED: powerpc
 */
 
 #ifndef BUILD_SO