[WebAssembly] Update expectations for gcc torture tests

This is needed to make the wasm waterfall green again
after we land the update to WASI:
https://github.com/WebAssembly/waterfall/pull/492

Differential Revision: https://reviews.llvm.org/D61351

llvm-svn: 359634

llvm/lib/Target/WebAssembly/known_gcc_test_failures.txt

@@ -93,6 +93,18 @@ devirt-21.C  # bad main signature
 devirt-23.C  # bad main signature
 lifetime2.C  # violates C++ DR1696
 
+# WASI doesn't have stdjmp.h yet
+pr56982.c
+simd-2.C
+
+# WASI doesn't have pthread.h yet
+thread_local3.C
+thread_local3g.C
+thread_local4.C
+thread_local4g.C
+thread_local5.C
+thread_local5g.C
+
 # Untriaged C++ failures
 spec5.C
 addr1.C