[simd.js] Single SIMD128_VALUE_TYPE for all Simd128Values.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 4a1c1f8b1faa90eb5b08f9e3fd9eaab90378dbf6..453c98a225bab4b6fab0b906aa8509fc16eac1c6 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -1671,11 +1671,11 @@ class Heap {
                          PretenureFlag pretenure = NOT_TENURED);
 
 // Allocates SIMD values from the given lane values.
-#define SIMD_ALLOCATE_DECLARATION(type, type_name, lane_count, lane_type) \
-  AllocationResult Allocate##type(lane_type lanes[lane_count],            \
+#define SIMD_ALLOCATE_DECLARATION(TYPE, Type, type, lane_count, lane_type) \
+  AllocationResult Allocate##Type(lane_type lanes[lane_count],             \
                                   PretenureFlag pretenure = NOT_TENURED);
-
   SIMD128_TYPES(SIMD_ALLOCATE_DECLARATION)
+#undef SIMD_ALLOCATE_DECLARATION
 
   // Allocates a byte array of the specified length
   MUST_USE_RESULT AllocationResult