Updated flag name, made the variable a bit more descriptive, too

Author: Kevin Frei

llvm/include/llvm/DebugInfo/DIContext.h

@@ -206,7 +206,7 @@ struct DIDumpOptions {
   bool IsEH = false;
   bool DumpNonSkeleton = false;
   bool ShowAggregateErrors = false;
-  std::string JsonSummaryFile;
+  std::string JsonErrSummaryFile;
   std::function<llvm::StringRef(uint64_t DwarfRegNum, bool IsEH)>
       GetNameForDWARFReg;
 

llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp

@@ -2034,13 +2034,14 @@ void DWARFVerifier::summarize() {
       error() << s << " occurred " << count << " time(s).\n";
     });
   }
-  if (!DumpOpts.JsonSummaryFile.empty()) {
+  if (!DumpOpts.JsonErrSummaryFile.empty()) {
     std::error_code EC;
-    raw_fd_ostream JsonStream(DumpOpts.JsonSummaryFile, EC, sys::fs::OF_Text);
+    raw_fd_ostream JsonStream(DumpOpts.JsonErrSummaryFile, EC,
+                              sys::fs::OF_Text);
     if (EC) {
       error() << "unable to open json summary file '"
-              << DumpOpts.JsonSummaryFile << "' for writing: " << EC.message()
-              << '\n';
+              << DumpOpts.JsonErrSummaryFile
+              << "' for writing: " << EC.message() << '\n';
       return;
     }
 

llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp

@@ -297,8 +297,8 @@ static opt<ErrorDetailLevel> ErrorDetails(
            clEnumValN(BothDetailsAndSummary, "full",
                       "Display each error as well as a summary. [default]")),
     cat(DwarfDumpCategory));
-static opt<std::string> JsonSummaryFile(
-    "json-summary-file", init(""),
+static opt<std::string> JsonErrSummaryFile(
+    "verify-json", init(""),
     desc("Output JSON-formatted error summary to the specified file. "
          "(Implies --verify)"),
     value_desc("filename.json"), cat(DwarfDumpCategory));
@@ -356,7 +356,7 @@ static DIDumpOptions getDumpOpts(DWARFContext &C) {
                        ErrorDetails != NoDetailsOrSummary;
     DumpOpts.ShowAggregateErrors = ErrorDetails != OnlyDetailsNoSummary &&
                                    ErrorDetails != NoDetailsOnlySummary;
-    DumpOpts.JsonSummaryFile = JsonSummaryFile;
+    DumpOpts.JsonErrSummaryFile = JsonErrSummaryFile;
     return DumpOpts.noImplicitRecursion();
   }
   return DumpOpts;
@@ -843,7 +843,7 @@ int main(int argc, char **argv) {
     return 1;
   }
   // -error-detail and -json-summary-file both imply -verify
-  if (ErrorDetails != Unspecified || !JsonSummaryFile.empty()) {
+  if (ErrorDetails != Unspecified || !JsonErrSummaryFile.empty()) {
     Verify = true;
   }