[wasm] Rework encoding of local declarations.

test/mjsunit/wasm/export-table.js

Index: test/mjsunit/wasm/export-table.js
diff --git a/test/mjsunit/wasm/export-table.js b/test/mjsunit/wasm/export-table.js
index 0a0d406f475d4be2d74e27b52d84b1864d234fac..1817a934485ab3904f2ba608988a8d671d7d40d9 100644
--- a/test/mjsunit/wasm/export-table.js
+++ b/test/mjsunit/wasm/export-table.js
@@ -7,7 +7,7 @@
 load("test/mjsunit/wasm/wasm-constants.js");
 
 (function testExportedMain() {
-  var kBodySize = 3;
+  var kBodySize = 4;
   var kReturnValue = 99;
   var kNameMainOffset = kHeaderSize + 4 + 7 + kBodySize + 8 + 1;
 
@@ -22,6 +22,7 @@ load("test/mjsunit/wasm/wasm-constants.js");
     0, 0,                        // signature index
     kBodySize, 0,
     // main body
+    kDeclNoLocals,
     kExprReturn,
     kExprI8Const,
     kReturnValue,
@@ -45,7 +46,7 @@ load("test/mjsunit/wasm/wasm-constants.js");
 })();
 
 (function testExportedTwice() {
-  var kBodySize = 3;
+  var kBodySize = 4;
   var kReturnValue = 99;
   var kNameMainOffset = kHeaderSize + 4 + 7 + kBodySize + 14 + 1;
   var kNameFooOffset = kNameMainOffset + 5;
@@ -61,6 +62,7 @@ load("test/mjsunit/wasm/wasm-constants.js");
     0, 0,                        // signature index
     kBodySize, 0,
     // main body
+    kDeclNoLocals,
     kExprReturn,
     kExprI8Const,
     kReturnValue,