Type convert NULL to other pointer types for function call arguments.

Fixes issue #198.
2012-03-27 09:50:21 -07:00
parent ca5c65d032
commit 6e9fea377d
2 changed files with 17 additions and 1 deletions
--- a/expr.cpp
+++ b/expr.cpp
@@ -3409,7 +3409,9 @@ FunctionCallExpr::TypeCheck() {
        if (t == NULL)
            return NULL;
        argTypes.push_back(t);
-        argCouldBeNULL.push_back(lIsAllIntZeros(args->exprs[i]));
+
+        argCouldBeNULL.push_back(lIsAllIntZeros(args->exprs[i]) ||
+                       dynamic_cast<NullPointerExpr *>(args->exprs[i]) != NULL);
    }

    FunctionSymbolExpr *fse = dynamic_cast<FunctionSymbolExpr *>(func);