Fix for issue 1781

compiler/java/com/google/dart/compiler/resolver/CompileTimeConstantAnalyzer.java

Index: compiler/java/com/google/dart/compiler/resolver/CompileTimeConstantAnalyzer.java
===================================================================
--- compiler/java/com/google/dart/compiler/resolver/CompileTimeConstantAnalyzer.java	(revision 8609)
+++ compiler/java/com/google/dart/compiler/resolver/CompileTimeConstantAnalyzer.java	(working copy)
@@ -201,8 +201,6 @@
           }
           break;
 
-        case BIT_NOT:

[scheglov, 2012/06/13 15:49:12]

Why this line was removed?

[Brian Wilkerson, 2012/06/13 15:51:30]

Because BIT_NOT is a unary operator and will therefore never appear in a binary
expression.

-        case TRUNC:
         case BIT_XOR:
         case BIT_AND:
         case BIT_OR:
@@ -229,6 +227,7 @@
           checkMathExpression(x, lhs, rhs, lhsType, rhsType);
           break;
         case MOD:
+        case TRUNC:
           if (checkNumber(lhs, lhsType) && checkNumber(rhs, rhsType)) {
             rememberInferredType(x, intType);
           }