diff --git a/tests/ui/panics/default-backtrace-ice.rs b/tests/ui/panics/default-backtrace-ice.rs
index fd86a3f9dfa..b40203c339d 100644
--- a/tests/ui/panics/default-backtrace-ice.rs
+++ b/tests/ui/panics/default-backtrace-ice.rs
@@ -2,8 +2,20 @@
 // compile-flags:-Z treat-err-as-bug=1
 // error-pattern:stack backtrace:
 // failure-status:101
+// ignore-msvc
 // normalize-stderr-test "note: .*" -> ""
 // normalize-stderr-test "thread 'rustc' .*" -> ""
-// normalize-stderr-test "  .*\n" -> ""
+// normalize-stderr-test " +\d+:.*__rust_begin_short_backtrace.*" -> "(begin_short_backtrace)"
+// normalize-stderr-test " +\d+:.*__rust_end_short_backtrace.*" -> "(end_short_backtrace)"
+// normalize-stderr-test " +\d+:.*\n" -> ""
+// normalize-stderr-test " +at .*\n" -> ""
+//
+// This test makes sure that full backtraces are used for ICEs when
+// RUST_BACKTRACE is not set. It does this by checking for the presence of
+// `__rust_{begin,end}_short_backtrace` markers, which only appear in full
+// backtraces. The rest of the backtrace is filtered out.
+//
+// Ignored on msvc becaue the `__rust_{begin,end}_short_backtrace` symbols
+// aren't reliable.
 
 fn main() { missing_ident; }
diff --git a/tests/ui/panics/default-backtrace-ice.stderr b/tests/ui/panics/default-backtrace-ice.stderr
index 4bd4780e25f..ddbfc4e7f3a 100644
--- a/tests/ui/panics/default-backtrace-ice.stderr
+++ b/tests/ui/panics/default-backtrace-ice.stderr
@@ -1,8 +1,13 @@
 error[E0425]: cannot find value `missing_ident` in this scope
+  --> $DIR/default-backtrace-ice.rs:21:13
+   |
 LL | fn main() { missing_ident; }
+   |             ^^^^^^^^^^^^^ not found in this scope
 
 
 stack backtrace:
+(end_short_backtrace)
+(begin_short_backtrace)
 
 error: the compiler unexpectedly panicked. this is a bug.