[Issue 11943] New: Emit warning for default initialized pointers

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=11943

           Summary: Emit warning for default initialized pointers
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bugzilla at digitalmars.com


--- Comment #0 from Walter Bright <bugzilla at digitalmars.com> 2014-01-17 18:53:23 PST ---
Consider:

class C { ... }

void foo() {
     C c;           // warning: c is default initialized to null. If that is
                    // intended, write it as C c = null;
     C d = null;    // no warning

     int* p;        // warning ...
     int* q = null; // no warning
}

Of course, this won't eliminate null pointers. But it would put a dent
in the inadvertancy of them.

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