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clarify the warning shown when optimizations are enabled

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This commit is contained in:
Ralf Jung 2024-06-24 10:51:49 +02:00
parent 4f8dc8fa3e
commit 0f114ec41d
1 changed files with 3 additions and 4 deletions
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7
src/tools/miri/src/bin/miri.rs
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@ -98,10 +98,9 @@ impl rustc_driver::Callbacks for MiriCompilerCalls {
}
if tcx.sess.opts.optimize != OptLevel::No {
tcx.dcx().warn("Miri does not support optimizations. If you have enabled optimizations \
by selecting a Cargo profile (such as --release) which changes other profile settings \
such as whether debug assertions and overflow checks are enabled, those settings are \
still applied.");
tcx.dcx().warn("Miri does not support optimizations: the opt-level is ignored. The only effect \
of selecting a Cargo profile that enables optimizations (such as --release) is to apply \
its remaining settings, such as whether debug assertions and overflow checks are enabled.");
}
if tcx.sess.mir_opt_level() > 0 {
tcx.dcx().warn("You have explicitly enabled MIR optimizations, overriding Miri's default \