1 files changed, 95 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval/format.stderr b/tests/ui/consts/const-eval/format.stderr
new file mode 100644
index 000000000..4bf39db58
--- /dev/null
+++ b/tests/ui/consts/const-eval/format.stderr
@@ -0,0 +1,95 @@
+error[E0015]: cannot call non-const formatting macro in constant functions
+  --> $DIR/format.rs:2:20
+   |
+LL |     panic!("{:?}", 0);
+   |                    ^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+   = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0015]: cannot call non-const formatting macro in constant functions
+  --> $DIR/format.rs:7:22
+   |
+LL |     println!("{:?}", 0);
+   |                      ^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: `Arguments::<'a>::new_v1` is not yet stable as a const fn
+  --> $DIR/format.rs:7:5
+   |
+LL |     println!("{:?}", 0);
+   |     ^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add `#![feature(const_fmt_arguments_new)]` to the crate attributes to enable
+   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0015]: cannot call non-const fn `_print` in constant functions
+  --> $DIR/format.rs:7:5
+   |
+LL |     println!("{:?}", 0);
+   |     ^^^^^^^^^^^^^^^^^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+   = note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+note: erroneous constant used
+  --> $DIR/format.rs:2:12
+   |
+LL |     panic!("{:?}", 0);
+   |            ^^^^^^
+
+note: erroneous constant used
+  --> $DIR/format.rs:2:12
+   |
+LL |     panic!("{:?}", 0);
+   |            ^^^^^^
+
+note: erroneous constant used
+  --> $DIR/format.rs:2:20
+   |
+LL |     panic!("{:?}", 0);
+   |                    ^
+   |
+   = note: this note originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+note: erroneous constant used
+  --> $DIR/format.rs:2:20
+   |
+LL |     panic!("{:?}", 0);
+   |                    ^
+   |
+   = note: this note originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+note: erroneous constant used
+  --> $DIR/format.rs:7:14
+   |
+LL |     println!("{:?}", 0);
+   |              ^^^^^^
+
+note: erroneous constant used
+  --> $DIR/format.rs:7:14
+   |
+LL |     println!("{:?}", 0);
+   |              ^^^^^^
+
+note: erroneous constant used
+  --> $DIR/format.rs:7:22
+   |
+LL |     println!("{:?}", 0);
+   |                      ^
+   |
+   = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+note: erroneous constant used
+  --> $DIR/format.rs:7:22
+   |
+LL |     println!("{:?}", 0);
+   |                      ^
+   |
+   = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to 4 previous errors
+
+For more information about this error, try `rustc --explain E0015`.