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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/mir-opt/uninhabited_fallthrough_elimination.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/mir-opt/uninhabited_fallthrough_elimination.rs')
-rw-r--r-- | src/test/mir-opt/uninhabited_fallthrough_elimination.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/mir-opt/uninhabited_fallthrough_elimination.rs b/src/test/mir-opt/uninhabited_fallthrough_elimination.rs new file mode 100644 index 000000000..0853883f8 --- /dev/null +++ b/src/test/mir-opt/uninhabited_fallthrough_elimination.rs @@ -0,0 +1,32 @@ +enum Empty {} + +enum S { + A(Empty), + B, + C, +} + +use S::*; + +// EMIT_MIR uninhabited_fallthrough_elimination.keep_fallthrough.UninhabitedEnumBranching.diff +fn keep_fallthrough(s: S) -> u32 { + match s { + A(_) => 1, + B => 2, + _ => 3, + } +} + +// EMIT_MIR uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff +fn eliminate_fallthrough(s: S) -> u32 { + match s { + C => 1, + B => 2, + _ => 3, + } +} + +fn main() { + keep_fallthrough(B); + eliminate_fallthrough(B); +} |