Make typing-asm match spec more closely around load/store, add more tests.

test/cctest/expression-type-collector-macros.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_EXPRESSION_TYPE_COLLECTOR_MACROS_H_
 #define V8_EXPRESSION_TYPE_COLLECTOR_MACROS_H_
 
 #define CHECK_TYPES_BEGIN \
   {                       \
     size_t index = 0;     \
     int depth = 0;
 
 #define CHECK_TYPES_END          \
   CHECK_EQ(index, types.size()); \
   }
 
+#ifdef DEBUG
+#define CHECK_TYPE(type)                    \
+  if (!types[index].bounds.Narrows(type)) { \
+    fprintf(stderr, "Expected:\n");         \
+    fprintf(stderr, "  lower: ");           \
+    type.lower->Print();                    \
+    fprintf(stderr, "  upper: ");           \
+    type.upper->Print();                    \
+    fprintf(stderr, "Actual:\n");           \
+    fprintf(stderr, "  lower: ");           \
+    types[index].bounds.lower->Print();     \
+    fprintf(stderr, "  upper: ");           \
+    types[index].bounds.upper->Print();     \
+  }                                         \
+  CHECK(types[index].bounds.Narrows(type));
+#else
+#define CHECK_TYPE(type) CHECK(types[index].bounds.Narrows(type));
+#endif
+
 #define CHECK_EXPR(ekind, type)                  \
   CHECK_LT(index, types.size());                 \
   CHECK(strcmp(#ekind, types[index].kind) == 0); \
   CHECK_EQ(depth, types[index].depth);           \
-  CHECK(types[index].bounds.Narrows(type));      \
+  CHECK_TYPE(type);                              \
   for (int j = (++depth, ++index, 0); j < 1 ? 1 : (--depth, 0); ++j)
 
 #define CHECK_VAR(vname, type)                                     \
   CHECK_EXPR(VariableProxy, type);                                 \
   CHECK_EQ(#vname, std::string(types[index - 1].name->raw_data(),  \
                                types[index - 1].name->raw_data() + \
                                    types[index - 1].name->byte_length()));
 
 #define CHECK_SKIP()                                             \
   {                                                              \
     ++index;                                                     \
     while (index < types.size() && types[index].depth > depth) { \
       ++index;                                                   \
     }                                                            \
   }
 
 #endif  // V8_EXPRESSION_TYPE_COLLECTOR_MACROS_H_