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Fuel is incompatible with incremental compilation

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This commit is contained in:
Tomasz Miąsko 2023-12-08 00:00:00 +00:00
parent a73d1bf631
commit 1a47e413b2
2 changed files with 16 additions and 1 deletions
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6
compiler/rustc_session/src/config.rs
View File

@ -2640,9 +2640,13 @@ pub fn build_session_options(
handler.early_error("value for threads must be a positive non-zero integer");
}
if unstable_opts.threads > 1 && unstable_opts.fuel.is_some() {
let fuel = unstable_opts.fuel.is_some() || unstable_opts.print_fuel.is_some();
if fuel && unstable_opts.threads > 1 {
handler.early_error("optimization fuel is incompatible with multiple threads");
}
if fuel && cg.incremental.is_some() {
handler.early_error("optimization fuel is incompatible with incremental compilation");
}
let incremental = cg.incremental.as_ref().map(PathBuf::from);

11
tests/ui/invalid-compile-flags/fuel.rs Normal file
View File

@ -0,0 +1,11 @@
// revisions: incremental threads
// dont-check-compiler-stderr
//
// [threads] compile-flags: -Zfuel=a=1 -Zthreads=2
// [threads] error-pattern:optimization fuel is incompatible with multiple threads
//
// [incremental] incremental
// [incremental] compile-flags: -Zprint-fuel=a
// [incremental] error-pattern:optimization fuel is incompatible with incremental compilation
fn main() {}