Merge pull request #1257 from nnethercote/add-html5ever-0.26.0

Add html5ever 0.26.0

Author: rylev

collector/benchmarks/README.md

@@ -27,6 +27,7 @@ They mostly consist of real-world crates.
   types.
 - **helloworld**: A trivial program. Gives a lower bound on compile time.
 - **html5ever**: An HTML parser. Stresses macro parsing code significantly.
+- **html5ever-0.26.0**: An HTML parser. Stresses macro parsing code.
 - **hyper-2**: A fairly large crate. Utilizes async/await, and used by
   many Rust programs.
 - **hyper-0.14.18**: A fairly large crate. Utilizes async/await, and used by

collector/benchmarks/html5ever-0.26.0/.cargo_vcs_info.json

@@ -0,0 +1,6 @@
+{
+  "git": {
+    "sha1": "84125752a4eeadbe5d6b02ae28784b2096a4c17f"
+  },
+  "path_in_vcs": "html5ever"
+}

collector/benchmarks/html5ever-0.26.0/0-println.patch

@@ -0,0 +1,13 @@
+diff --git a/src/util/str.rs b/src/util/str.rs
+index 756a88d2..2801f859 100644
+--- a/src/util/str.rs
++++ b/src/util/str.rs
+@@ -10,6 +10,8 @@
+ use std::fmt;
+ 
+ pub fn to_escaped_string<T: fmt::Debug>(x: &T) -> String {
++    println!("testing");
++
+     // FIXME: don't allocate twice
+     let string = format!("{:?}", x);
+     string.chars().flat_map(|c| c.escape_default()).collect()