b04e5b4963
The collection is limited to full debuginfo builds to match behavior of FunctionCx::compute_per_local_var_debug_info.
24 lines
783 B
Rust
24 lines
783 B
Rust
// Regression test for #138942, where a function was incorrectly internalized, despite the fact
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// that it was referenced by a var debug info from another code generation unit.
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//
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//@ build-pass
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//@ revisions: limited full
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//@ compile-flags: -Ccodegen-units=4
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//@[limited] compile-flags: -Cdebuginfo=limited
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//@[full] compile-flags: -Cdebuginfo=full
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trait Fun {
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const FUN: &'static fn();
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}
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impl Fun for () {
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const FUN: &'static fn() = &(detail::f as fn());
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}
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mod detail {
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// Place `f` in a distinct module to generate a separate code generation unit.
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#[inline(never)]
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pub(super) fn f() {}
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}
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fn main() {
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// SingleUseConsts represents "x" using VarDebugInfoContents::Const.
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// It is the only reference to `f` remaining.
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let x = <() as ::Fun>::FUN;
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}
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