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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/mir-opt/issue-72181.rs
parentInitial commit. (diff)
downloadrustc-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/issue-72181.rs')
-rw-r--r--src/test/mir-opt/issue-72181.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/mir-opt/issue-72181.rs b/src/test/mir-opt/issue-72181.rs
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+++ b/src/test/mir-opt/issue-72181.rs
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+// compile-flags: -Z mir-opt-level=1
+// Regression test for #72181, this ICE requires `-Z mir-opt-level=1` flags.
+
+use std::mem;
+
+#[derive(Copy, Clone)]
+enum Never {}
+
+union Foo {
+ a: u64,
+ b: Never
+}
+
+// EMIT_MIR_FOR_EACH_BIT_WIDTH
+// EMIT_MIR issue_72181.foo.mir_map.0.mir
+fn foo(xs: [(Never, u32); 1]) -> u32 { xs[0].1 }
+
+// EMIT_MIR issue_72181.bar.mir_map.0.mir
+fn bar([(_, x)]: [(Never, u32); 1]) -> u32 { x }
+
+// EMIT_MIR_FOR_EACH_BIT_WIDTH
+// EMIT_MIR issue_72181.main.mir_map.0.mir
+fn main() {
+ let _ = mem::size_of::<Foo>();
+
+ let f = [Foo { a: 42 }, Foo { a: 10 }];
+ let _ = unsafe { f[0].a };
+}