feat(demangle): Update swift demangler to 5.3

symbolic-demangle/vendor/swift/.gitignore

@@ -0,0 +1 @@
+swift-source

symbolic-demangle/vendor/swift/1-arguments.patch

@@ -1,13 +1,13 @@
-commit 575a6035e76e73eacc99d43a412d0afa2068dd25
-Author: Jan Michael Auer <mail@jauer.org>
-Date:   Sun Apr 5 16:39:15 2020 +0200
+commit af26ebbf5f3bb03c92739b19127f5c2c5b402e4a
+Author: Arpad Borsos <arpad.borsos@sentry.io>
+Date:   Mon Oct 19 13:28:23 2020 +0200
 
     feat(demangle): Add option to skip Swift function parameters
 
-diff --git a/demangle/vendor/swift/include/swift/Demangling/Demangle.h b/demangle/vendor/swift/include/swift/Demangling/Demangle.h
-index 2a8fd6c..c377a00 100644
---- a/demangle/vendor/swift/include/swift/Demangling/Demangle.h
-+++ b/demangle/vendor/swift/include/swift/Demangling/Demangle.h
+diff --git a/symbolic-demangle/vendor/swift/include/swift/Demangling/Demangle.h b/symbolic-demangle/vendor/swift/include/swift/Demangling/Demangle.h
+index ce3a4b5..df88a9c 100644
+--- a/symbolic-demangle/vendor/swift/include/swift/Demangling/Demangle.h
++++ b/symbolic-demangle/vendor/swift/include/swift/Demangling/Demangle.h
 @@ -57,6 +57,7 @@ struct DemangleOptions {
    bool ShortenArchetype = false;
    bool ShowPrivateDiscriminators = true;
@@ -16,11 +16,11 @@ index 2a8fd6c..c377a00 100644
    std::function<std::string(uint64_t, uint64_t)> GenericParameterName =
        genericParameterName;
 
-diff --git a/demangle/vendor/swift/lib/Demangling/NodePrinter.cpp b/demangle/vendor/swift/lib/Demangling/NodePrinter.cpp
-index 097be7f..266506e 100644
---- a/demangle/vendor/swift/lib/Demangling/NodePrinter.cpp
-+++ b/demangle/vendor/swift/lib/Demangling/NodePrinter.cpp
-@@ -728,6 +728,11 @@ private:
+diff --git a/symbolic-demangle/vendor/swift/lib/Demangling/NodePrinter.cpp b/symbolic-demangle/vendor/swift/lib/Demangling/NodePrinter.cpp
+index 1e39291..0784608 100644
+--- a/symbolic-demangle/vendor/swift/lib/Demangling/NodePrinter.cpp
++++ b/symbolic-demangle/vendor/swift/lib/Demangling/NodePrinter.cpp
+@@ -738,6 +738,11 @@ private:
        setInvalid();
        return;
      }

symbolic-demangle/vendor/swift/README.md

@@ -3,7 +3,7 @@
 This folder contains a vendored subset of the [Swift Programming Language]. The Swift library is
 reduced to the demangler only to reduce the size of this package.
 
-The current version is **Swift 5.2.1**.
+The current version is **Swift 5.3**.
 
 ## Sentry Modifications
 
@@ -23,11 +23,11 @@ patch is maintained in `1-arguments.patch`.
       ```
    3. Check out dependencies:
       ```
-      $ ./swift/utils/update-checkout --clone-with-ssh
+      $ ./swift/utils/update-checkout --clone
       ```
-   4. Check out the release banch of the latest release:
+   4. Check out the release branch of the latest release:
       ```
-      $ git checkout swift-5.2.1-RELEASE
+      $ git checkout swift-5.3-RELEASE
       ```
    5. Build the complete swift project (be very patient, this may take long):
       ```
@@ -37,7 +37,7 @@ patch is maintained in `1-arguments.patch`.
 2. **Copy updated sources and headers from the checkout to this library:**
    1. Run the update script in this directory (requires Python 3):
       ```
-      $ ./update.py <path-to-swift-workspace>
+      $ ./update.py swift-source
       ```
    2. Check for modifications.
    3. Commit _"feat(demangle): Import libswift demangle x.x.x"_ before proceeding.

symbolic-demangle/vendor/swift/include/llvm/ADT/Optional.h

@@ -269,7 +269,7 @@ template <typename T> class Optional {
 
   /// Apply a function to the value if present; otherwise return None.
   template <class Function>
-  auto map(const Function &F) const
+  auto map(const Function &F) const LLVM_LVALUE_FUNCTION
       -> Optional<decltype(F(getValue()))> {
     if (*this) return F(getValue());
     return None;