[Issue 4238] New: Segfault(statement.c): with(typeof(int))

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4238

           Summary: Segfault(statement.c): with(typeof(int))
           Product: D
           Version: 1.020
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Keywords: ice-on-invalid-code, patch
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: clugdbug at yahoo.com.au


--- Comment #0 from Don <clugdbug at yahoo.com.au> 2010-05-26 13:03:03 PDT ---
TEST CASE:
-----
void bug4237()
{
   int s;
   with(typeof(s)) {}
}
----

PATCH (D2 svn 502):
// WithStatement::semantic. line 3639: segfaults because toDsymbol(sc)
// returns null.

{   TypeExp *es = (TypeExp *)exp;

-        sym = es->type->toDsymbol(sc)->isScopeDsymbol();
+        Dsymbol *dsym = es->type->toDsymbol(sc);
+        sym = dsym ? dsym->isScopeDsymbol() : NULL;

        if (!sym)
        {   error("%s has no members", es->toChars());
            body = body->semantic(sc);
            return this;
        }
    }

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