/* { dg-do compile } */ /* { dg-options "-Wuninitialized -O2 -fno-tree-tail-merge" } */ int g; void bar (void); 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 (flag) blah(v); /* { dg-bogus "uninitialized" "bogus uninitialized var warning" } */ return 0; } int foo_2 (int n, int m, int r) { int flag = 0; int v; if (n) { v = r; flag = 1; } if (m) g++; else bar(); if (flag) blah(v); /* { dg-bogus "uninitialized" "bogus uninitialized var warning" } */ else blah(v); /* { dg-warning "uninitialized" "real uninitialized var warning" } */ return 0; }