[turbofan] Fix missing machine type for float32/float64 array accesses.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 2c270220df88fdac27c95dd00f9868a0d4d2b0de..583bd3aaaf5349f41174bed796642a95cef35d5e 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -106,10 +106,10 @@ ElementAccess AccessBuilder::ForTypedArrayElement(ExternalArrayType type,
               Type::Unsigned32(), kMachUint32};
     case kExternalFloat32Array:
       return {kTypedArrayBoundsCheck, taggedness, header_size, Type::Number(),
-              kRepFloat32};
+              kMachFloat32};
     case kExternalFloat64Array:
       return {kTypedArrayBoundsCheck, taggedness, header_size, Type::Number(),
-              kRepFloat64};
+              kMachFloat64};
   }
   UNREACHABLE();
   return {kTypedArrayBoundsCheck, kUntaggedBase, 0, Type::None(), kMachNone};