[wasm-simd] Pass decode if SSSE3 flag is set

Change-Id: Iafe2b5635287fea5bd3c687b4ed897edbce4b0aa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2798978Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73781}

src/wasm/function-body-decoder-impl.h

@@ -3329,7 +3329,7 @@ class WasmFullDecoder : public WasmDecoder<validate> {
 
   DECODE(Simd) {
     CHECK_PROTOTYPE_OPCODE(simd);
-    if (!CheckHardwareSupportsSimd()) {
+    if (!CheckHardwareSupportsSimd() && !FLAG_wasm_simd_ssse3_codegen) {
       if (FLAG_correctness_fuzzer_suppressions) {
         FATAL("Aborting on missing Wasm SIMD support");
       }