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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. 	volatile long (*volatile ptr)[1] = NULL;
  5. 	volatile long v = (long) *ptr;
  6.  
  7. 	printf("%ld\n", v);
  8.  
  9.  
  10. 	volatile long (*ptr2)[1] = NULL;
  11. 	enum { this_is_constant_in_gcc = ((void*)ptr2 == (void*)*ptr2) };
  12. 	printf("%d\n", this_is_constant_in_gcc);
  13.  
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 4304KB
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https://ideone.com/DqFF6T
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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