Re: Missing "var is used uninitialized" warning?

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Jonathan Wakely schrieb:
On 17 September 2011 21:32, Georg-Johann Lay wrote:

Hi, compiled with -Wall -Wextra the wollowing lines don't complain about a
being used uninitialized.  Tried with 4.5 and 4.6.  Am I missing something?

int func (void)
{
  int a = a;

  return a;
}

Yes, you're missing -Winit-self

Thanks.

Confusing... extra option for that?

The message with -Wuninitialized -Winit-self is
warning: 'a' is used uninitialized in this function [-Wuninitialized]

Is there a special reason why this is not part of Wall or Wextra?



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