[cleanup] Fix printing of wasm locals overview

The raw wasm printer was not printing the last entry of the
locals declarations. Now it does.

Bug: v8:8562
Change-Id: Ib51c674b747f95079c544131f18462d203f0933f
Reviewed-on: https://chromium-review.googlesource.com/c/1409364Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Stephan Herhut <herhut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58805}

src/wasm/function-body-decoder.cc

@@ -116,7 +116,7 @@ bool PrintRawWasmCode(AccountingAllocator* allocator, const FunctionBody& body,
   BodyLocalDecls decls(&zone);
   BytecodeIterator i(body.start, body.end, &decls);
   if (body.start != i.pc() && print_locals == kPrintLocals) {
-    os << "// locals: ";
+    os << "// locals:";
     if (!decls.type_list.empty()) {
       ValueType type = decls.type_list[0];
       uint32_t count = 0;
@@ -129,6 +129,7 @@ bool PrintRawWasmCode(AccountingAllocator* allocator, const FunctionBody& body,
           count = 1;
         }
       }
+      os << " " << count << " " << ValueTypes::TypeName(type);
     }
     os << std::endl;
     if (line_numbers) line_numbers->push_back(kNoByteCode);