Assume statement expressions have side effects; this gets rid of a lot

of extra warnings in the Python source.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51594 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/Expr.cpp

@@ -326,6 +326,9 @@ bool Expr::hasLocalSideEffect() const {
     return true;
   case ObjCMessageExprClass:
     return true;
+  case StmtExprClass:
+    // TODO: check the inside of the statement expression
+    return true;
 
   case CastExprClass:
     // If this is a cast to void, check the operand.  Otherwise, the result of