Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/mir-opt/simplify_cfg.rs b/tests/mir-opt/simplify_cfg.rs
new file mode 100644
index 000000000..cf7eac440
--- /dev/null
+++ b/tests/mir-opt/simplify_cfg.rs
@@ -0,0 +1,18 @@
+// Test that the goto chain starting from bb0 is collapsed.
+// compile-flags: -Cpanic=abort
+// no-prefer-dynamic
+
+// EMIT_MIR simplify_cfg.main.SimplifyCfg-initial.diff
+// EMIT_MIR simplify_cfg.main.SimplifyCfg-early-opt.diff
+fn main() {
+    loop {
+        if bar() {
+            break;
+        }
+    }
+}
+
+#[inline(never)]
+fn bar() -> bool {
+    true
+}