From: Stephen Kelly <steveire@gmail.com>
Date: Tue, 16 Mar 2021 23:44:45 +0000 (+0000)
Subject: [AST] Hide errors from the attempt to introspect nodes
X-Git-Tag: llvmorg-14-init~12170
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a00d44012820e9ed2eba623dd61ca9cf5a2ce115;p=platform%2Fupstream%2Fllvm.git

[AST] Hide errors from the attempt to introspect nodes
---

diff --git a/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp b/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp
index 6615f86..74ba70e 100644
--- a/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp
+++ b/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp
@@ -92,7 +92,13 @@ int main(int argc, const char **argv) {
   auto ParsedArgs = Opts.ParseArgs(llvm::makeArrayRef(Argv).slice(1),
                                    MissingArgIndex, MissingArgCount);
   ParseDiagnosticArgs(*DiagOpts, ParsedArgs);
-  TextDiagnosticPrinter DiagnosticPrinter(llvm::errs(), &*DiagOpts);
+
+  // Don't output diagnostics, because common scenarios such as
+  // cross-compiling fail with diagnostics.  This is not fatal, but
+  // just causes attempts to use the introspection API to return no data.
+  std::string Str;
+  llvm::raw_string_ostream OS(Str);
+  TextDiagnosticPrinter DiagnosticPrinter(OS, &*DiagOpts);
   DiagnosticsEngine Diagnostics(
       IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()), &*DiagOpts,
       &DiagnosticPrinter, false);