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/* { dg-do compile } */ /* { dg-options "-Wuninitialized -O2" } */ int g; void bar(); void blah(int); int foo (int n, int m, int r) { int flag = 0; int v; if (n) { v = r; flag = -1; } if (m) g++; else bar(); if (r > 0) if (flag <= 0 ) blah(v); /* { dg-warning "uninitialized" "real warning" } */ return 0; }