| // This test case makes sure that the compiler does not try to re-use anything |
| // from the incremental compilation cache if the cache was produced by a |
| // different compiler version. This is tested by artificially forcing the |
| // emission of a different compiler version in the header of rpass1 artifacts, |
| // and then making sure that the only object file of the test program gets |
| // re-codegened although the program stays unchanged. |
| |
| // The `l33t haxx0r` Rust compiler is known to produce incr. comp. artifacts |
| // that are outrageously incompatible with just about anything, even itself: |
| //@[rpass1] rustc-env:RUSTC_FORCE_RUSTC_VERSION="l33t haxx0r rustc 2.1 LTS" |
| |
| //@ revisions:rpass1 rpass2 |
| //@ compile-flags: -Z query-dep-graph |
| |
| #![feature(rustc_attrs)] |
| #![rustc_partition_codegened(module="cache_file_headers", cfg="rpass2")] |
| |
| fn main() { |
| // empty |
| } |
