Add 'src/tools/rustfmt/' from commit '7872306edf2e11a69aaffb9434088fd66b46a863'

git-subtree-dir: src/tools/rustfmt
git-subtree-mainline: e659b6de9170c055b6f2d16e2679b22d67297b13
git-subtree-split: 7872306edf2e11a69aaffb9434088fd66b46a863

1 files changed, 22 insertions, 0 deletions

diff --git a/src/tools/rustfmt/tests/source/issue-4312.rs b/src/tools/rustfmt/tests/source/issue-4312.rs
new file mode 100644
index 00000000000..b36b0efdb9e
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/issue-4312.rs
@@ -0,0 +1,22 @@
+// issue 4312
+fn main() {
+    /* " */
+    println!("Hello, world!");
+    /* abc " */
+    println!("Hello, world!");
+    /* " abc */
+    println!("Hello, world!");
+    let y = 4;
+    let x = match 1 + y == 3 {
+        True => 3,
+        False => 4,
+        /* " unreachable */
+    };
+}
+
+// issue 4806
+enum X {
+    A,
+    B,
+    /*"*/
+}