[wasm] Do not use setjmp/longjmp in cctests.

test/cctest/wasm/test-run-wasm-64.cc

Index: test/cctest/wasm/test-run-wasm-64.cc
diff --git a/test/cctest/wasm/test-run-wasm-64.cc b/test/cctest/wasm/test-run-wasm-64.cc
index 4571364980604d4ca126dcd762116b1bc7c3a582..6944743a9f462feb992f35cdf6181185f813ea96 100644
--- a/test/cctest/wasm/test-run-wasm-64.cc
+++ b/test/cctest/wasm/test-run-wasm-64.cc
@@ -1319,6 +1319,10 @@ WASM_EXEC_TEST(I64ReinterpretF64) {
   }
 }
 
+// Do not run this test in a simulator because of signalling NaN issues on ia32.
+#if (V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64) && \

[Rodolph Perfetta (ARM), 2017/02/08 01:40:55]

This test will only run on ia32 or x64 now, if you want to avoid simulators
only: #ifndef USE_SIMULATOR

[ahaas, 2017/02/08 09:11:46]

Thanks, I was not aware of this flag.

+    (V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64)
+
 WASM_EXEC_TEST(SignallingNanSurvivesI64ReinterpretF64) {
   REQUIRE(I64ReinterpretF64);
   WasmRunner<int64_t> r(execution_mode);
@@ -1328,6 +1332,7 @@ WASM_EXEC_TEST(SignallingNanSurvivesI64ReinterpretF64) {
   // This is a signalling nan.
   CHECK_EQ(0x7ff4000000000000, r.Call());
 }
+#endif
 
 WASM_EXEC_TEST(F64ReinterpretI64) {
   REQUIRE(F64ReinterpretI64);