Disable more wasm tests.

test/cctest/wasm/test-run-wasm-module.cc

Index: test/cctest/wasm/test-run-wasm-module.cc
diff --git a/test/cctest/wasm/test-run-wasm-module.cc b/test/cctest/wasm/test-run-wasm-module.cc
index 56a0f661a435b9570efd2bbc343518b6f8b6afa3..a5970a824fd820ea2214e3a691c37dd4133dc737 100644
--- a/test/cctest/wasm/test-run-wasm-module.cc
+++ b/test/cctest/wasm/test-run-wasm-module.cc
@@ -76,6 +76,9 @@ TEST(Run_WasmModule_Return114) {
 }
 
 
+// TODO(tizer): Figure out why this crashes with PPC.
+#if !defined(V8_TARGET_ARCH_PPC) && !defined(V8_TARGET_ARCH_PPC64)
+
 TEST(Run_WasmModule_CallAdd) {
   Zone zone;
   WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
@@ -97,6 +100,8 @@ TEST(Run_WasmModule_CallAdd) {
   TestModule(writer->WriteTo(&zone), 99);
 }
 
+#endif
+
 
 TEST(Run_WasmModule_ReadLoadedDataSegment) {
   static const byte kDataSegmentDest0 = 12;