[LLVMbugs] [Bug 21985] Add Clang warning for register qulifiers

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21985

Reid Kleckner <rnk at google.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |rnk at google.com
         Resolution|---                         |WORKSFORME

--- Comment #1 from Reid Kleckner <rnk at google.com> ---
It's under -Wdeprecated-register, and it's on by default:

$ cat t.cpp
void use(int);
int main() {
  register int a = 42;
  use(a);
}

$ clang -c t.cpp
t.cpp:3:3: warning: 'register' storage class specifier is deprecated
[-Wdeprecated-register]
  register int a = 42;
  ^~~~~~~~~
1 warning generated.

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