Merge pull request #13074 from gottesmm/pr-bae9d9e30d40c9211864b978ff3400b9b01034c9

Author: swift-ci

include/swift/AST/Decl.h

@@ -784,6 +784,9 @@ class alignas(1 << DeclAlignInBits) Decl {
   LLVM_ATTRIBUTE_DEPRECATED(
       void dump() const LLVM_ATTRIBUTE_USED,
       "only for use within the debugger");
+  LLVM_ATTRIBUTE_DEPRECATED(
+      void dump(const char *filename) const LLVM_ATTRIBUTE_USED,
+      "only for use within the debugger");
   void dump(raw_ostream &OS, unsigned Indent = 0) const;
 
   /// \brief Pretty-print the given declaration.

lib/AST/ASTDumper.cpp

@@ -14,7 +14,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "swift/Basic/QuotedString.h"
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/ASTPrinter.h"
 #include "swift/AST/ASTVisitor.h"
@@ -24,12 +23,14 @@
 #include "swift/AST/ParameterList.h"
 #include "swift/AST/ProtocolConformance.h"
 #include "swift/AST/TypeVisitor.h"
+#include "swift/Basic/QuotedString.h"
 #include "swift/Basic/STLExtras.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/SaveAndRestore.h"
 #include "llvm/Support/raw_ostream.h"
@@ -1177,6 +1178,16 @@ void Decl::dump() const {
   dump(llvm::errs(), 0);
 }
 
+void Decl::dump(const char *filename) const {
+  std::error_code ec;
+  llvm::raw_fd_ostream stream(filename, ec, llvm::sys::fs::F_RW);
+  // In assert builds, we blow up. Otherwise, we just return.
+  assert(!ec && "Failed to open file for dumping?!");
+  if (ec)
+    return;
+  dump(stream, 0);
+}
+
 void Decl::dump(raw_ostream &OS, unsigned Indent) const {
   // Make sure to print type variables.
   llvm::SaveAndRestore<bool> X(getASTContext().LangOpts.DebugConstraintSolver,