[WebAssembly] Update GCC test suite failure expectations

Summary:
Update GCC test suite failure expectations as we add -O0 to the bare tests in
WebAssembly waterfall. There are still several untriaged lld failures.

Reviewers: sbc100, jgravelle-google, dschuff

Reviewed By: dschuff

Subscribers: jfb

Differential Revision: https://reviews.llvm.org/D37100

llvm-svn: 311691

llvm/lib/Target/WebAssembly/known_gcc_test_failures.txt

@@ -12,7 +12,9 @@
 
 # Computed gotos are not supported (Cannot select BlockAddress/BRIND)
 20040302-1.c
+20041214-1.c O0
 20071210-1.c
+20071220-1.c wasm-s,O0
 920501-4.c
 920501-5.c
 comp-goto-1.c
@@ -88,3 +90,9 @@ pr45695.c wasm-o
 pr49279.c wasm-o
 pr49390.c wasm-o
 pr52286.c wasm-o
+
+# Untriaged: Assertion failure in WasmObjectWriter::getFunctionType
+20051012-1.c wasm-o,O0
+920501-1.c wasm-o,O0
+921208-2.c wasm-o,O0
+call-trap-1.c wasm-o,O0