---

yaml
---
r: 349247
b: refs/heads/master-next
c: c377e8b
h: refs/heads/master
i:
  349245: 1400460
  349243: 827a9da
  349239: 5aeec19
  349231: 21fb095
  349215: a536b9a
  349183: 6bc6df8

Author: jckarter

[refs]

@@ -1,6 +1,6 @@
 ---
 refs/heads/master: 3574c513bbc5578dd9346b4ea9ab5995c5927bb5
-refs/heads/master-next: 14453147d6182073ab1011fc4cf6a7271f42777f
+refs/heads/master-next: c377e8b72c4214a87b076d4b14ee3f6a478149c5
 refs/tags/osx-passed: b6b74147ef8a386f532cf9357a1bde006e552c54
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-a: 6bb18e013c2284f2b45f5f84f2df2887dc0f7dea
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-b: 66d897bfcf64a82cb9a87f5e663d889189d06d07

branches/master-next/lib/Demangling/NodePrinter.cpp

@@ -79,12 +79,11 @@ static DemanglerPrinter &operator<<(DemanglerPrinter &printer,
     case '\n': printer << "\\n"; break;
     case '\r': printer << "\\r"; break;
     case '"': printer << "\\\""; break;
-    case '\'': printer << '\''; break; // no need to escape these
     case '\0': printer << "\\0"; break;
     default:
-      auto c = static_cast<char>(C);
-      // Other ASCII control characters should get escaped.
-      if (c < 0x20 || c == 0x7F) {
+      auto c = static_cast<unsigned char>(C);
+      // Other control or high-bit characters should get escaped.
+      if (c < 0x20 || c >= 0x7F) {
         static const char Hexdigit[] = {
           '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
           'A', 'B', 'C', 'D', 'E', 'F'