[Issue 3175] rejects templated ref return function

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3175


Shin Fujishiro <rsinfu at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch
           Severity|trivial                     |major


--- Comment #3 from Shin Fujishiro <rsinfu at gmail.com> 2010-09-25 18:16:35 PDT ---
Patch against dmd r687. deduceFunctionTemplateMatch() must reset storage class
in parameter's scope as done in matchWithInstance().

--- a/src/template.c
+++ b/src/template.c
@@ -887,6 +887,7 @@ MATCH
TemplateDeclaration::deduceFunctionTemplateMatch(Scope *sc, Loc loc, Objec
     ScopeDsymbol *paramsym = new ScopeDsymbol();
     paramsym->parent = scope->parent;
     Scope *paramscope = scope->push(paramsym);
+    paramscope->stc = 0;

     TemplateTupleParameter *tp = isVariadic();
     int tp_is_declared = 0;


Increased the severity as the bug has been repeatedly reported: bug 4041, bug
4446, bug 4934 and comment 2 of bug 2460.

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