https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104381
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Err, it's worse(?)
> ./xgcc -B. t.c -O2 -fdump-tree-optimized -c
;; Function foo (foo, funcdef_no=0, decl_uid=1979, cgraph_uid=1,
symbol_order=0)
int foo (int x)
{
<bb 2> [local count: 1073741824]:
return x_1(D);
}
;; Function bar (bar, funcdef_no=1, decl_uid=1984, cgraph_uid=2,
symbol_order=1)
__attribute__((optimize ("no-tree-pre")))
int bar (int x)
{
<bb 2> [local count: 1073741824]:
# DEBUG tem => x_1(D) + 1
# DEBUG tem2 => x_1(D)
return x_1(D);
}
so it either applies -gtoggle or somehow enables at least
var-tracking-assignments (no .debug_info generated).
