[wasm] Check for replacements of IndexNodes in the Int64Lowering.

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 e28273d3bed2617a021fc9b9e50dba1a19448d4d..f4ec0dd662d3622baebf1f9176661d23a2c08743 100644
--- a/test/cctest/wasm/test-run-wasm-64.cc
+++ b/test/cctest/wasm/test-run-wasm-64.cc
@@ -1622,3 +1622,19 @@ WASM_EXEC_TEST(MixedCall_i64_0) { Run_WasmMixedCall_N(execution_mode, 0); }
 WASM_EXEC_TEST(MixedCall_i64_1) { Run_WasmMixedCall_N(execution_mode, 1); }
 WASM_EXEC_TEST(MixedCall_i64_2) { Run_WasmMixedCall_N(execution_mode, 2); }
 WASM_EXEC_TEST(MixedCall_i64_3) { Run_WasmMixedCall_N(execution_mode, 3); }
+
+WASM_EXEC_TEST(Regress5874) {
+  REQUIRE(I32ConvertI64);
+  REQUIRE(I64LoadStore);
+  REQUIRE(I64Const);
+  WasmRunner<int32_t> r(execution_mode);
+  r.module().AddMemoryElems<int64_t>(8);
+
+  BUILD(r, kExprI64Const, 0x00,        // --
+        kExprI32ConvertI64,            // --
+        kExprI64Const, 0x00,           // --
+        kExprI64StoreMem, 0x03, 0x00,  // --
+        kExprI32Const, 0x00);          // --
+
+  r.Call();
+}