Allow constant heap accesses in asm typer.

test/cctest/test-asm-validator.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/ast-expression-visitor.h"
 #include "src/parser.h"
 #include "src/rewriter.h"
@@ skipping 909 matching lines @@
           CHECK_EXPR(Literal, Bounds(cache.kInt32));
         }
       }
     }
     CHECK_SKIP();
   }
   CHECK_FUNC_TYPES_END
 }
 
 
+TEST(Load1Constant) {
+  CHECK_FUNC_TYPES_BEGIN(
+      "function bar() { var x = 1; var y = i8[5]|0; }\n"
+      "function foo() { bar(); }") {
+    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
+      CHECK_EXPR(Assignment, Bounds(cache.kInt32)) {
+        CHECK_VAR(x, Bounds(cache.kInt32));
+        CHECK_EXPR(Literal, Bounds(cache.kInt32));
+      }
+      CHECK_EXPR(Assignment, Bounds(cache.kInt32)) {
+        CHECK_VAR(y, Bounds(cache.kInt32));
+        CHECK_EXPR(BinaryOperation, Bounds(cache.kInt32)) {
+          CHECK_EXPR(Property, Bounds(cache.kInt8)) {
+            CHECK_VAR(i8, Bounds(cache.kInt8Array));
+            CHECK_EXPR(Literal, Bounds(cache.kInt32));
+          }
+          CHECK_EXPR(Literal, Bounds(cache.kInt32));
+        }
+      }
+    }
+    CHECK_SKIP();
+  }
+  CHECK_FUNC_TYPES_END
+}
+
+
 TEST(FunctionTables) {
   CHECK_FUNC_TYPES_BEGIN(
       "function func1(x) { x = x | 0; return (x * 5) | 0; }\n"
       "function func2(x) { x = x | 0; return (x * 25) | 0; }\n"
       "var table1 = [func1, func2];\n"
       "function bar(x, y) { x = x | 0; y = y | 0;\n"
       "   return table1[x & 1](y)|0; }\n"
       "function foo() { bar(1, 2); }") {
     CHECK_EXPR(FunctionLiteral, FUNC_I2I_TYPE) {
       CHECK_EXPR(Assignment, Bounds(cache.kInt32)) {
@@ skipping 198 matching lines @@
   "return {foo: foo, bar: 1};"
   "}\n";
 
   v8::V8::Initialize();
   HandleAndZoneScope handles;
   Zone* zone = handles.main_zone();
   ZoneVector<ExpressionTypeEntry> types(zone);
   CHECK_EQ("asm: line 40: non-function in function table\n",
            Validate(zone, test_function, &types));
 }