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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
commit | dc0db358abe19481e475e10c32149b53370f1a1c (patch) | |
tree | ab8ce99c4b255ce46f99ef402c27916055b899ee /tests/mir-opt/switch_to_self.rs | |
parent | Releasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip |
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/switch_to_self.rs')
-rw-r--r-- | tests/mir-opt/switch_to_self.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/mir-opt/switch_to_self.rs b/tests/mir-opt/switch_to_self.rs new file mode 100644 index 000000000..6678e4b3b --- /dev/null +++ b/tests/mir-opt/switch_to_self.rs @@ -0,0 +1,21 @@ +// Test that MatchBranchSimplification doesn't ICE on a SwitchInt where +// one of the targets is the block that the SwitchInt terminates. +#![crate_type = "lib"] +#![feature(core_intrinsics, custom_mir)] +use std::intrinsics::mir::*; + +// EMIT_MIR switch_to_self.test.MatchBranchSimplification.diff +#[custom_mir(dialect = "runtime", phase = "post-cleanup")] +pub fn test(x: bool) { + mir!( + { + Goto(bb0) + } + bb0 = { + match x { false => bb0, _ => bb1 } + } + bb1 = { + match x { false => bb0, _ => bb1 } + } + ) +} |