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Show more of the overlong type on type-length error #76777

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2 changes: 1 addition & 1 deletion compiler/rustc_mir/src/monomorphize/collector.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -493,7 +493,7 @@ fn check_type_length_limit<'tcx>(tcx: TyCtxt<'tcx>, instance: Instance<'tcx>) {
};
let msg = format!(
"reached the type-length limit while instantiating `{}`",
shrink(instance.to_string(), 32, 32)
shrink(instance.to_string(), 256, 256)
);
let mut diag = tcx.sess.struct_span_fatal(tcx.def_span(instance.def_id()), &msg);
diag.note(&format!(
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2 changes: 1 addition & 1 deletion src/test/ui/issues/issue-37311-type-length-limit/issue-37311.stderr
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@@ -1,4 +1,4 @@
error: reached the type-length limit while instantiating `<(&(&(&(&(&(&(&(&(&(&(&(&(&(&(&(...))))))))))))))) as Foo>::recurse`
error: reached the type-length limit while instantiating `<(&(&(&(&(&(&(&(&(&(&(&(&(&(&(&(&(&(&(&(), &()), &(&(), &())), &(&(&(), &()), &(&(), &()))), &(&(&(&(), &()), &(&(), &())), &(&(&(), &()), &(&(), &())))), &(&(&(&(&(), &()), &(&(), &())), &(&(&(), &()), &(&(), &()))), &(&(&(&(), &()), &(&(), &())), &(&(&()..., &())), &(&(&(), &()), &(&(), &()))), &(&(&(&(), &()), &(&(), &())), &(&(&(), &()), &(&(), &())))), &(&(&(&(&(), &()), &(&(), &())), &(&(&(), &()), &(&(), &()))), &(&(&(&(), &()), &(&(), &())), &(&(&(), &()), &(&(), &()))))))))))))))))))) as Foo>::recurse`
--> $DIR/issue-37311.rs:15:5
|
LL | fn recurse(&self) {
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2 changes: 1 addition & 1 deletion src/test/ui/type_length_limit.stderr
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@@ -1,4 +1,4 @@
error: reached the type-length limit while instantiating `std::mem::drop::<Option<((((((G,... G), (G, G, G), (G, G, G))))))>>`
error: reached the type-length limit while instantiating `std::mem::drop::<Option<((((((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G))), (((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G))), (((G, G, G), (G...), ((G, G, G), (G, G, G), (G, G, G))), (((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G))), (((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G)), ((G, G, G), (G, G, G), (G, G, G))))))>>`
--> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub fn drop<T>(_x: T) {}
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