[wasm] WasmRunner can run tests with I64 parameters and return value.

src/compiler/ia32/code-generator-ia32.cc

Index: src/compiler/ia32/code-generator-ia32.cc
diff --git a/src/compiler/ia32/code-generator-ia32.cc b/src/compiler/ia32/code-generator-ia32.cc
index 944632e04fe9aa796ec739dd152f8dd376c1b8dc..4e0277e3c115320e5d41e53b970f525a2297b54c 100644
--- a/src/compiler/ia32/code-generator-ia32.cc
+++ b/src/compiler/ia32/code-generator-ia32.cc
@@ -1453,7 +1453,7 @@ void CodeGenerator::AssembleDeoptimizerCall(
 
 
 void CodeGenerator::AssemblePrologue() {
-  CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
+  const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
   if (descriptor->IsCFunctionCall()) {
     // Assemble a prologue similar the to cdecl calling convention.
     __ push(ebp);
@@ -1502,7 +1502,7 @@ void CodeGenerator::AssemblePrologue() {
 
 
 void CodeGenerator::AssembleReturn() {
-  CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
+  const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
 
   const RegList saves = descriptor->CalleeSavedRegisters();
   // Restore registers.