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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/codegen/issue-73031.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/codegen/issue-73031.rs')
| -rw-r--r-- | tests/codegen/issue-73031.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/codegen/issue-73031.rs b/tests/codegen/issue-73031.rs new file mode 100644 index 00000000000..a09c4bcfbea --- /dev/null +++ b/tests/codegen/issue-73031.rs @@ -0,0 +1,26 @@ +// compile-flags: -O +#![crate_type = "lib"] + +// Test that LLVM can eliminate the unreachable `All::None` branch. + +pub enum All { + None, + Foo, + Bar, +} + +// CHECK-LABEL: @issue_73031 +#[no_mangle] +pub fn issue_73031(a: &mut All, q: i32) -> i32 { + *a = if q == 5 { + All::Foo + } else { + All::Bar + }; + match *a { + // CHECK-NOT: panic + All::None => panic!(), + All::Foo => 1, + All::Bar => 2, + } +} |
