/* PR tree-optimization/45083 */ /* { dg-do compile } */ /* { dg-options "-O2 -Wuninitialized" } */ struct S { char *a; unsigned b; unsigned c; }; extern int foo (const char *); extern void bar (int, int); static void baz (void) { struct S cs[1]; /* { dg-message "was declared here" } */ switch (cs->b) /* { dg-warning "cs\[^\n\r\]*\\.b\[^\n\r\]*is used uninitialized" } */ { case 101: if (foo (cs->a)) /* { dg-warning "cs\[^\n\r\]*\\.a\[^\n\r\]*may be used uninitialized" } */ bar (cs->c, cs->b); /* { dg-warning "cs\[^\n\r\]*\\.c\[^\n\r\]*may be used uninitialized" } */ } } void test (void) { baz (); }