extern void abort (void); struct Foo { int *p; int *q; }; struct Foo __attribute__((noinline)) bar(int *p) { struct Foo f; f.p = p; return f; } void __attribute__((noinline)) foo(struct Foo f) { *f.p = 0; } int main() { int a, b; a = 0; b = 1; struct Foo f; f = bar (&b); f.q = &a; foo(f); if (b != 0) abort (); return 0; }
-- Summary: [4.2/4.3/4.4 Regression] Wrong code with struct return Product: gcc Version: 4.3.1 Status: UNCONFIRMED Keywords: wrong-code, alias Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: rguenth at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36373