error: macro-expanded `extern crate` items cannot shadow names passed with `--extern` | |
--> $DIR/issue-109148.rs:6:9 | |
| | |
LL | extern crate core as std; | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^ | |
... | |
LL | m!(); | |
| ---- in this macro invocation | |
| | |
= note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) | |
error: aborting due to 1 previous error | |