From 1f945cc2df629abd916ddfbb66274e73be13c3be Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sun, 30 Jun 2019 17:52:28 +0200
Subject: [PATCH] debug on AppVeyor

---
 .appveyor.yml                    | 1 +
 tests/run-pass/heap_allocator.rs | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.appveyor.yml b/.appveyor.yml
index f7d3f990ac..225c2a38bc 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -31,6 +31,7 @@ install:
 build_script:
     - set RUST_TEST_NOCAPTURE=1
     - set RUST_BACKTRACE=1
+    - set MIRI_BACKTRACE=1
     - set RUSTFLAGS=-C debug-assertions
     # Build and install miri
     - cargo build --release --all-features --all-targets
diff --git a/tests/run-pass/heap_allocator.rs b/tests/run-pass/heap_allocator.rs
index 3eb0f70fd6..d5d1652352 100644
--- a/tests/run-pass/heap_allocator.rs
+++ b/tests/run-pass/heap_allocator.rs
@@ -40,7 +40,8 @@ fn check_overalign_requests<T: Alloc>(mut allocator: T) {
             allocator.alloc(Layout::from_size_align(size, align).unwrap()).unwrap()
         }).collect();
         for &ptr in &pointers {
-            assert_eq!((ptr.as_ptr() as usize) % align, 0,
+            let ptr = ptr.as_ptr() as usize;
+            assert_eq!(ptr % align, 0,
                        "Got a pointer less aligned than requested")
         }