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Auto merge of #35159 - michaelwoerister:incr-comp-implies-orbit, r=nikomatsakis

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Automatically enable -Zorbit if -Zincremental is specified.

Fixes #34973

r? @nikomatsakis
This commit is contained in:
bors 2016-08-02 20:25:50 -07:00 • committed by GitHub
commit f495483f2d
2 changed files with 29 additions and 1 deletions
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10
src/librustc/session/config.rs
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@ -1168,7 +1168,15 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
})
});
let debugging_opts = build_debugging_options(matches, error_format);
let mut debugging_opts = build_debugging_options(matches, error_format);
// Incremental compilation only works reliably when translation is done via
// MIR, so let's enable -Z orbit if necessary (see #34973).
if debugging_opts.incremental.is_some() && !debugging_opts.orbit {
early_warn(error_format, "Automatically enabling `-Z orbit` because \
`-Z incremental` was specified");
debugging_opts.orbit = true;
}
let parse_only = debugging_opts.parse_only;
let no_trans = debugging_opts.no_trans;