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Always mark unstable const fn as not const

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This commit is contained in:
Oliver Schneider 2018-05-20 23:18:41 +02:00
parent 383a5df58c
commit a11f7856f4
1 changed files with 2 additions and 7 deletions
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7
src/librustc_mir/transform/qualify_consts.rs
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@ -982,13 +982,8 @@ This does not pose a problem by itself because they can't be accessed directly."
// this doesn't come from a macro that has #[allow_internal_unstable]
!self.span.allows_unstable()
{
if self.mode == Mode::Fn {
// We are in a normal function
// with a turned off feature gate. We can still call the function
// but we can't promote it
self.qualif = Qualif::NOT_CONST;
debug!("unstable const fn");
} else {
if self.mode != Mode::Fn {
// inside a constant environment, not having the feature gate is
// an error
let mut err = self.tcx.sess.struct_span_err(self.span,