[wasm] Decoding the names section should stop if there is a problem with locals.

src/wasm/module-decoder.cc

Index: src/wasm/module-decoder.cc
diff --git a/src/wasm/module-decoder.cc b/src/wasm/module-decoder.cc
index 2a4752e0f6f5771c32bdb798bed18af1bea4e04b..344196f9eebc7f76c3f5e154ca107e8edc3ceeed 100644
--- a/src/wasm/module-decoder.cc
+++ b/src/wasm/module-decoder.cc
@@ -626,7 +626,7 @@ class ModuleDecoder : public Decoder {
         }
 
         uint32_t local_names_count = inner.consume_u32v("local names count");
-        for (uint32_t j = 0; ok() && j < local_names_count; j++) {
+        for (uint32_t j = 0; inner.ok() && j < local_names_count; j++) {
           uint32_t length = inner.consume_u32v("string length");
           inner.consume_bytes(length, "string");
         }