[turbofan] Handle dead diamonds in scheduling and add a test.

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 b8e27d942d87569518b954cf897deb706282574b..70d461b62785391181c5b25a7d847ea75d70ac2e 100644
--- a/test/cctest/wasm/test-run-wasm.cc
+++ b/test/cctest/wasm/test-run-wasm.cc
@@ -2818,3 +2818,15 @@ TEST(Compile_Wasm_CallIndirect_Many_f32) { CompileCallIndirectMany(kAstF32); }
 
 
 TEST(Compile_Wasm_CallIndirect_Many_f64) { CompileCallIndirectMany(kAstF64); }
+
+TEST(Run_WASM_Int32RemS_dead) {
+  WasmRunner<int32_t> r(MachineType::Int32(), MachineType::Int32());
+  BUILD(r, WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_ZERO);
+  const int32_t kMin = std::numeric_limits<int32_t>::min();
+  CHECK_EQ(0, r.Call(133, 100));
+  CHECK_EQ(0, r.Call(kMin, -1));
+  CHECK_EQ(0, r.Call(0, 1));
+  CHECK_TRAP(r.Call(100, 0));
+  CHECK_TRAP(r.Call(-1001, 0));
+  CHECK_TRAP(r.Call(kMin, 0));
+}