Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 42 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-13259-windows-tcb-trash.rs b/tests/ui/issues/issue-13259-windows-tcb-trash.rs
new file mode 100644
index 000000000..740e7780d
--- /dev/null
+++ b/tests/ui/issues/issue-13259-windows-tcb-trash.rs
@@ -0,0 +1,42 @@
+// run-pass
+#![feature(rustc_private)]
+
+extern crate libc;
+
+#[cfg(windows)]
+mod imp {
+    type LPVOID = *mut u8;
+    type DWORD = u32;
+    type LPWSTR = *mut u16;
+
+    extern "system" {
+        fn FormatMessageW(flags: DWORD,
+                          lpSrc: LPVOID,
+                          msgId: DWORD,
+                          langId: DWORD,
+                          buf: LPWSTR,
+                          nsize: DWORD,
+                          args: *const u8)
+                          -> DWORD;
+    }
+
+    pub fn test() {
+        let mut buf: [u16; 50] = [0; 50];
+        let ret = unsafe {
+            FormatMessageW(0x1000, core::ptr::null_mut(), 1, 0x400,
+                           buf.as_mut_ptr(), buf.len() as u32, core::ptr::null())
+        };
+        // On some 32-bit Windowses (Win7-8 at least) this will panic with segmented
+        // stacks taking control of pvArbitrary
+        assert!(ret != 0);
+    }
+}
+
+#[cfg(not(windows))]
+mod imp {
+    pub fn test() { }
+}
+
+fn main() {
+    imp::test()
+}