slice matching overflow got fixed

Author: RalfJung

rust-version

@@ -1 +1 @@
-3e525e3f6d9e85d54fa4c49b52df85aa0c990100
+b9cf5417892ef242c783ef963deff5436205b0f6

tests/run-pass/issue-17877.rs

@@ -1,14 +1,11 @@
-//ignore-windows: Causes a stack overflow?!? Likely a rustc bug: https://github.com/rust-lang/rust/issues/53820
-//FIXME: Once that bug is fixed, increase the size to 16*1024 and enable on all platforms.
-
 #![feature(slice_patterns)]
 
 fn main() {
-    assert_eq!(match [0u8; 1024] {
+    assert_eq!(match [0u8; 16*1024] {
         _ => 42_usize,
     }, 42_usize);
 
-    assert_eq!(match [0u8; 1024] {
+    assert_eq!(match [0u8; 16*1024] {
         [1, ..] => 0_usize,
         [0, ..] => 1_usize,
         _ => 2_usize