[Issue 9744] New: shared and __gshared variables can have their address taken at compile time

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9744

           Summary: shared and __gshared variables can have their address
                    taken at compile time
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          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> 2013-03-18 02:58:09 PDT ---
Taking the address of a static variable is rejected, but not a __gshared
variable:

---
__gshared int x1;
static int x2;
static void *q1 = &x1;    // Compiles
static void *q2 = &x2;    // Rejected
---

bug.d(4): Error: non-constant expression & x2


This doesn't apply in CTFE, only in constant folding.

There is a unittest in bitmanip which relies on this bug.

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