[avr-libc-dev] [bug #22163] Everytime ATOMIC_BLOCK(ATOMIC_RESTORESTATE) compiler generates warning - unused variable 'sreg_save'

[Tomasz Francuz]

Follow-up Comment #3, bug #22163 (project avr-libc):

Sorry, but mistake I didn't mention that I'm using avr-g++ compiler. When
using avr-gcc everything is working perfectly, but in g++ the following code
produces warning:
#include <util/atomic.h>

int main()
{
 volatile int b,a;
 a=0;
 b=0;
 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
  {
   if(b==0) a++;
  } 
}

I don't know if you consider it as a bug, but it would be great if
ATOMIC_BLOCK could be used in c++.

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