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/* { dg-do run } */ /* { dg-options "-Os" } */ extern void abort (void); unsigned int a; int b, c; void foo (void) { b = 0; do { for (a = -13; a == 0; a = (unsigned short)a) c = 1; b++; } while (b == 0); } int main () { foo (); if (a != -13) abort (); return 0; }