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  1. 	#include <iostream>
  2. 	#include <memory>
  3. 	#include <cstdlib>
  4.  
  5. 	int g_buf[4000];
  6.  
  7. 	void test1() {
  8. 		for (int i=0;i<=4096;i++) {
  9. 			g_buf[i] = i;
  10. 		}
  11. 		std::cout << " test1 " << g_buf[4096];
  12. 	}
  13.  
  14. 	void test2() {
  15. 		int* buf = new int[4000];
  16. 		for (int i=0;i<=4096;i++) {
  17. 			buf[i] = i;
  18. 		}
  19. 		std::cout << " test2 " << buf[4096];
  20. 	}
  21.  
  22. 	void test3() {
  23. 		int* buf = (int*)malloc(sizeof(int)*4000);
  24. 		for (int i=0;i<=4096;i++) {
  25. 			buf[i] = i;
  26. 		}
  27. 		std::cout << " test3 " << buf[4096];
  28. 	}
  29.  
  30. 	int main(int argc, char** argv) {
  31. 		test1();
  32. 		test2();
  33. 		test3();
  34. 	}
  35.  
  36.  
  37.  
  38.  
Runtime error #stdin #stdout #stderr 0s 3456KB
comments (?)
stdin 
Standard input is empty
stdout 
 test1 4096 test2 4096
stderr 
prog: malloc.c:2369: sysmalloc: Assertion `(old_top == (((mbinptr) (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk, fd)))) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 * (sizeof(size_t))) - 1)) & ~((2 * (sizeof(size_t))) - 1))) && ((old_top)->size & 0x1) && ((unsigned long)old_end & pagemask) == 0)' failed.
https://ideone.com/HSnKCL
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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