[Issue 2085] CTFE fails if the function is forward referenced

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=2085


Rainer Schuetze <r.sagitario at gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch
                 CC|                            |r.sagitario at gmx.de


--- Comment #3 from Rainer Schuetze <r.sagitario at gmx.de> 2010-03-27 05:53:06 PDT ---
Here's patch that invokes the semantic on the function if referenced.
Additioally, it needs to avoid duplicate semantic to be run later.

This patch also fixes #3499

Index: expression.c
===================================================================
--- expression.c    (revision 421)
+++ expression.c    (working copy)
@@ -2427,7 +2427,8 @@
     f = s->isFuncDeclaration();
     if (f)
     {    //printf("'%s' is a function\n", f->toChars());
-
+    if (!f->originalType && f->scope) // semantic not yet run
+        f->semantic(f->scope);
     if (!f->type->deco)
     {
         error("forward reference to %s", toChars());
Index: func.c
===================================================================
--- func.c    (revision 421)
+++ func.c    (working copy)
@@ -134,7 +134,7 @@
     parent = sc->parent;
     Dsymbol *parent = toParent();

-    if (semanticRun == PASSsemanticdone)
+    if (semanticRun >= PASSsemanticdone) // BUG 2085
     {
     if (!parent->isClassDeclaration())
         return;

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