Add unicode-normalization-0.1.19 scaffolding

Author: Kobzol

collector/benchmarks/README.md

@@ -45,6 +45,9 @@ They mostly consist of real-world crates.
 - **unicode_normalization**: Unicode character composition and decomposition
   utilities. Uses huge `match` statements that stress the compiler in unusual
   ways.
+- **unicode-normalization-0.1.19**: Unicode character composition and decomposition
+  utilities. Uses huge `match` statements that stress the compiler in unusual
+  ways.
 - **webrender**: A web renderer. Used by Firefox and Servo.
 - **webrender-wrench**: WebRender's test bench. An executable pulling in large
   dependencies.

collector/benchmarks/unicode-normalization-0.1.19/0-println.patch

@@ -0,0 +1,12 @@
+diff --git a/src/lookups.rs b/src/lookups.rs
+index 0111d204..b3a8271f 100644
+--- a/src/lookups.rs
++++ b/src/lookups.rs
+@@ -43,6 +43,7 @@ pub(crate) fn composition_table(c1: char, c2: char) -> Option<char> {
+ }
+ 
+ pub(crate) fn canonical_fully_decomposed(c: char) -> Option<&'static [char]> {
++    println!("testing");
+     mph_lookup(
+         c.into(),
+         CANONICAL_DECOMPOSED_SALT,

collector/benchmarks/unicode-normalization-0.1.19/Cargo.toml

@@ -30,3 +30,5 @@ features = ["alloc"]
 [features]
 default = ["std"]
 std = []
+
+[workspace]