[Frontend] PR32318 Handle -ast-dump-all properly.

[hintonda]

Summary

Handle -ast-dump-all when passed as the only option.

[aaron.ballman]

LGTM!

[hintonda]

Great, thanks Aaron.

Could you commit it for me when you get a chance?

[aaron.ballman]

Committed in r305432. You should consider reaching out to Chris Lattner for svn access!

[hintonda]

I have, but just haven't heard back yet... Thanks again...

lib/Frontend/ASTConsumers.cpp

clang::CreateASTPrinter(std::unique_ptr<raw_ostream> Out,
   return llvm::make_unique<ASTPrinter>(std::move(Out), ASTPrinter::Print,
                                        FilterString);
 }
 
 std::unique_ptr<ASTConsumer> clang::CreateASTDumper(StringRef FilterString,
                                                     bool DumpDecls,
                                                     bool Deserialize,
                                                     bool DumpLookups) {
-  assert((DumpDecls || DumpLookups) && "nothing to dump");
+  assert((DumpDecls || Deserialize || DumpLookups) && "nothing to dump");
   return llvm::make_unique<ASTPrinter>(nullptr,
                                        Deserialize ? ASTPrinter::DumpFull :
                                        DumpDecls ? ASTPrinter::Dump :
                                        ASTPrinter::None,
                                        FilterString, DumpLookups);
 }
 
 std::unique_ptr<ASTConsumer> clang::CreateASTDeclNodeLister() {

test/Coverage/ast-printing.c

 // RUN: %clang_cc1 -fsyntax-only %s
 // RUN: %clang_cc1 -ast-print %s -o %t.1.c
 // RUN: %clang_cc1 -ast-print %t.1.c -o %t.2.c
 // RUN: diff %t.1.c %t.2.c
 // RUN: %clang_cc1 -ast-dump %s
+// RUN: %clang_cc1 -ast-dump-all %s
 // RUN: %clang_cc1 -print-decl-contexts %s
 
 #include "c-language-features.inc"

test/Coverage/ast-printing.cpp

 // RUN: %clang_cc1 -std=c++14 -fsyntax-only %s
 // RUN: %clang_cc1 -std=c++14 -ast-print %s -o %t.1.cpp
 // RUN: %clang_cc1 -std=c++14 -ast-print %t.1.cpp -o %t.2.cpp
 // RUN: diff %t.1.cpp %t.2.cpp
 // RUN: %clang_cc1 -std=c++14 -ast-dump %s
+// RUN: %clang_cc1 -std=c++14 -ast-dump-all %s
 // RUN: %clang_cc1 -std=c++14 -print-decl-contexts %s
 // RUN: %clang_cc1 -std=c++14 -fdump-record-layouts %s
 
 #include "cxx-language-features.inc"