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

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

2 files changed, 21 insertions, 0 deletions

diff --git a/src/test/run-make-fulldeps/issue-20626/Makefile b/src/test/run-make-fulldeps/issue-20626/Makefile
new file mode 100644
index 000000000..0487b2404
--- /dev/null
+++ b/src/test/run-make-fulldeps/issue-20626/Makefile
@@ -0,0 +1,8 @@
+-include ../tools.mk
+
+# Test output to be four
+# The original error only occurred when printing, not when comparing using assert!
+
+all:
+	$(RUSTC) foo.rs -O
+	[ `$(call RUN,foo)` = "4" ]
diff --git a/src/test/run-make-fulldeps/issue-20626/foo.rs b/src/test/run-make-fulldeps/issue-20626/foo.rs
new file mode 100644
index 000000000..a474e234e
--- /dev/null
+++ b/src/test/run-make-fulldeps/issue-20626/foo.rs
@@ -0,0 +1,13 @@
+fn identity(a: &u32) -> &u32 { a }
+
+fn print_foo(f: &fn(&u32) -> &u32, x: &u32) {
+    print!("{}", (*f)(x));
+}
+
+fn main() {
+    let x = &4;
+    let f: fn(&u32) -> &u32 = identity;
+
+    // Didn't print 4 on optimized builds
+    print_foo(&f, x);
+}