#include extern int in_dso (int n, int *caller_foop); extern __thread int foo; __thread int comm_n; int in_dso2 (void) { int *foop; int result = 0; static int n; int *np; puts ("foo"); /* Make sure PLT is used before macros. */ asm ("" ::: "memory"); foop = &foo; np = &comm_n; if (n != *np) { printf ("n = %d != comm_n = %d\n", n, *np); result = 1; } result |= in_dso (*foop = 42 + n++, foop); *foop = 16; return result; }