# HG changeset patch
# User Christian Kamm <kamm incasoftware de>
# Date 1227375909 -3600
# Node ID 2cf440d511bb418769620cafa434f672faefdeab
# Parent  ef7fe998f9b396e0cc5ab0f8e7a16cf3288ef889
Move tuple syntax copy for function arguments after semantic, to make sure
->ty contains the final value. Fixes run/t/tuple_20_A again.

diff -r ef7fe998f9b3 -r 2cf440d511bb dmd/mtype.c
--- a/dmd/mtype.c	Sat Nov 22 18:38:13 2008 +0100
+++ b/dmd/mtype.c	Sat Nov 22 18:45:09 2008 +0100
@@ -2951,14 +2951,19 @@
 	{   Argument *arg = Argument::getNth(tf->parameters, i);
 	    Type *t;
 
-	    // each function needs its own copy of a tuple arg, since
-	    // they mustn't share arg flags like inreg, ...
-	    if (arg->type->ty == Ttuple)
-		arg->type = arg->type->syntaxCopy();
-
 	    tf->inuse++;
 	    arg->type = arg->type->semantic(loc,sc);
 	    if (tf->inuse == 1) tf->inuse--;
+
+	    // each function needs its own copy of a tuple arg, since
+	    // they mustn't share arg flags like inreg, ...
+	    if (arg->type->ty == Ttuple) {
+		arg->type = arg->type->syntaxCopy();
+		tf->inuse++;
+		arg->type = arg->type->semantic(loc,sc);
+		if (tf->inuse == 1) tf->inuse--;
+	    }
+
 	    t = arg->type->toBasetype();
 
 	    if (arg->storageClass & (STCout | STCref | STClazy))