Add a proc_macro_test crate

This exports all 3 kinds of proc macros and is useful for testing

1 files changed, 5 insertions, 0 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 2386c8f3a..c7809a65a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1097,6 +1097,7 @@ dependencies = [
  "mbe",
  "memmap",
  "proc_macro_api",
+ "proc_macro_test",
  "serde_derive",
  "test_utils",
  "toolchain",
@@ -1104,6 +1105,10 @@ dependencies = [
 ]
 
 [[package]]
+name = "proc_macro_test"
+version = "0.0.0"
+
+[[package]]
 name = "profile"
 version = "0.0.0"
 dependencies = [