run full query stack print just when RUST_BACKTRACE is set

rust-lang · Oct 9, 2020 · 01f838a · 01f838a
1 parent 2b91b7f
commit 01f838a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/compiler/rustc_middle/src/ty/query/plumbing.rs b/compiler/rustc_middle/src/ty/query/plumbing.rs
@@ -124,7 +124,11 @@ impl<'tcx> TyCtxt<'tcx> {
         })
     }
 
-    pub fn try_print_query_stack(handler: &Handler, num_frames: Option<usize>) {
+    pub fn try_print_query_stack(
+        handler: &Handler,
+        num_frames: Option<usize>,
+        backtrace: Option<bool>,
+    ) {
         eprintln!("query stack during panic:");
 
         // Be careful reyling on global state here: this code is called from