# HG changeset patch
# User Christian Kamm <kamm incasoftware de>
# Date 1232284480 -3600
# Node ID e74e2e53ba3b2c03f25a95092495f2cb874dc457
# Parent  063ba84a965f94b26c0c5c644826e62ec239f728
Remove optimizer syntax copies where they weren't proven to be necessary.
Copying without calling semantic() leads to issues for more complicated
expressions.

diff -r 063ba84a965f -r e74e2e53ba3b dmd/optimize.c
--- a/dmd/optimize.c	Sun Jan 18 13:18:31 2009 +0100
+++ b/dmd/optimize.c	Sun Jan 18 14:14:40 2009 +0100
@@ -365,7 +365,6 @@
     if (e1->op == TOKnull &&
 	(type->ty == Tpointer || type->ty == Tclass))
     {
-	e1 = e1->syntaxCopy();
 	e1->type = type;
 	return e1;
     }
@@ -381,7 +380,6 @@
 	cdto   = type->isClassHandle();
 	if (cdto->isBaseOf(cdfrom, &offset) && offset == 0)
 	{
-	    e1 = e1->syntaxCopy();
 	    e1->type = type;
 	    return e1;
 	}
@@ -396,7 +394,6 @@
 	    if (type->size() == e1->type->size() &&
 		type->toBasetype()->ty != Tsarray)
 	    {
-		e1 = e1->syntaxCopy();
 		e1->type = type;
 		return e1;
 	    }