Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 32 insertions, 0 deletions

diff --git a/src/test/mir-opt/early_otherwise_branch_68867.rs b/src/test/mir-opt/early_otherwise_branch_68867.rs
new file mode 100644
index 000000000..ca298e921
--- /dev/null
+++ b/src/test/mir-opt/early_otherwise_branch_68867.rs
@@ -0,0 +1,32 @@
+// compile-flags: -Z mir-opt-level=4 -Zunsound-mir-opts
+
+// example from #68867
+type CSSFloat = f32;
+
+pub enum ViewportPercentageLength {
+    Vw(CSSFloat),
+    Vh(CSSFloat),
+    Vmin(CSSFloat),
+    Vmax(CSSFloat),
+}
+
+// EMIT_MIR early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.diff
+// EMIT_MIR early_otherwise_branch_68867.try_sum EarlyOtherwiseBranch.before SimplifyConstCondition-final.after
+#[no_mangle]
+pub extern "C" fn try_sum(
+    x: &ViewportPercentageLength,
+    other: &ViewportPercentageLength,
+) -> Result<ViewportPercentageLength, ()> {
+    use self::ViewportPercentageLength::*;
+    Ok(match (x, other) {
+        (&Vw(one), &Vw(other)) => Vw(one + other),
+        (&Vh(one), &Vh(other)) => Vh(one + other),
+        (&Vmin(one), &Vmin(other)) => Vmin(one + other),
+        (&Vmax(one), &Vmax(other)) => Vmax(one + other),
+        _ => return Err(()),
+    })
+}
+
+fn main() {
+    try_sum(&ViewportPercentageLength::Vw(1.0), &ViewportPercentageLength::Vw(2.0));
+}