[wasm] I'm adding the float-to-int64 tests again.

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

Index: test/cctest/wasm/test-run-wasm.cc
diff --git a/test/cctest/wasm/test-run-wasm.cc b/test/cctest/wasm/test-run-wasm.cc
index cda5ce3b6af3a8aeae8b2b2c2e5dfc7de5992278..90aa47b5e50e86c2e8855e3c1b0fb4900f74abf3 100644
--- a/test/cctest/wasm/test-run-wasm.cc
+++ b/test/cctest/wasm/test-run-wasm.cc
@@ -3130,40 +3130,6 @@ TEST(Run_Wasm_F64Max_Snan) {
 #endif
 
 #if WASM_64
-TEST(Run_Wasm_F32SConvertI64) {
-  WasmRunner<float> r(MachineType::Int64());
-  BUILD(r, WASM_F32_SCONVERT_I64(WASM_GET_LOCAL(0)));
-  FOR_INT64_INPUTS(i) { CHECK_EQ(static_cast<float>(*i), r.Call(*i)); }
-}
-
-
-#if !defined(_WIN64)
-// TODO(ahaas): Fix this failure.
-TEST(Run_Wasm_F32UConvertI64) {
-  WasmRunner<float> r(MachineType::Uint64());
-  BUILD(r, WASM_F32_UCONVERT_I64(WASM_GET_LOCAL(0)));
-  FOR_UINT64_INPUTS(i) { CHECK_EQ(static_cast<float>(*i), r.Call(*i)); }
-}
-#endif
-
-
-TEST(Run_Wasm_F64SConvertI64) {
-  WasmRunner<double> r(MachineType::Int64());
-  BUILD(r, WASM_F64_SCONVERT_I64(WASM_GET_LOCAL(0)));
-  FOR_INT64_INPUTS(i) { CHECK_EQ(static_cast<double>(*i), r.Call(*i)); }
-}
-
-
-#if !defined(_WIN64)
-// TODO(ahaas): Fix this failure.
-TEST(Run_Wasm_F64UConvertI64) {
-  WasmRunner<double> r(MachineType::Uint64());
-  BUILD(r, WASM_F64_UCONVERT_I64(WASM_GET_LOCAL(0)));
-  FOR_UINT64_INPUTS(i) { CHECK_EQ(static_cast<double>(*i), r.Call(*i)); }
-}
-#endif
-
-
 TEST(Run_Wasm_I64SConvertF32) {
   WasmRunner<int64_t> r(MachineType::Float32());
   BUILD(r, WASM_I64_SCONVERT_F32(WASM_GET_LOCAL(0)));