Retain information on which standard objects are used in asm typer.

src/typing-asm.h

Index: src/typing-asm.h
diff --git a/src/typing-asm.h b/src/typing-asm.h
index db624b32d645c33d71e6ce690c3f5761cfb4ded6..b7f53831e6222d96d6552351d55fa7bd7e235db7 100644
--- a/src/typing-asm.h
+++ b/src/typing-asm.h
@@ -25,6 +25,41 @@ class AsmTyper : public AstVisitor {
   void set_allow_simd(bool simd);
   const char* error_message() { return error_message_; }
 
+  enum StandardMember {
+    kNone = 0,
+    kStdlib,
+    kInfinity,
+    kNaN,
+    kMathAcos,
+    kMathAsin,
+    kMathAtan,
+    kMathCos,
+    kMathSin,
+    kMathTan,
+    kMathExp,
+    kMathLog,
+    kMathCeil,
+    kMathFloor,
+    kMathSqrt,
+    kMathAbs,
+    kMathMin,
+    kMathMax,
+    kMathAtan2,
+    kMathPow,
+    kMathImul,
+    kMathFround,
+    kMathE,
+    kMathLN10,
+    kMathLN2,
+    kMathLOG2E,
+    kMathLOG10E,
+    kMathPI,
+    kMathSQRT1_2,
+    kMathSQRT2,
+  };
+
+  StandardMember VariableAsStandardMember(Variable* variable);
+
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
 
  private:
@@ -37,17 +72,20 @@ class AsmTyper : public AstVisitor {
 
   struct VariableInfo : public ZoneObject {
     Type* type;
-    bool is_stdlib_object;
     bool is_check_function;
     bool is_constructor_function;
+    StandardMember standard_member;
 
     VariableInfo()
         : type(NULL),
-          is_stdlib_object(false),
           is_check_function(false),
-          is_constructor_function(false) {}
+          is_constructor_function(false),
+          standard_member(kNone) {}
     explicit VariableInfo(Type* t)
-        : type(t), is_check_function(false), is_constructor_function(false) {}
+        : type(t),
+          is_check_function(false),
+          is_constructor_function(false),
+          standard_member(kNone) {}
   };
 
   // Information for bi-directional typing with a cap on nesting depth.