[llvm] Aggregate errors from llvm-dwarfutil --verify (PR #79648)

[Greg Clayton via llvm-commits]

================
@@ -240,30 +285,38 @@ unsigned DWARFVerifier::verifyUnitContents(DWARFUnit &Unit,
 
   DWARFDie Die = Unit.getUnitDIE(/* ExtractUnitDIEOnly = */ false);
   if (!Die) {
-    error() << "Compilation unit without DIE.\n";
+    ErrorCategory.Report("Compilation unit missing DIE", [&]() {
+      error() << "Compilation unit without DIE.\n";
+    });
     NumUnitErrors++;
     return NumUnitErrors;
   }
 
   if (!dwarf::isUnitType(Die.getTag())) {
-    error() << "Compilation unit root DIE is not a unit DIE: "
-            << dwarf::TagString(Die.getTag()) << ".\n";
+    ErrorCategory.Report("Compilation unit root DIE is not a unit DIE", [&]() {
+      error() << "Compilation unit root DIE is not a unit DIE: "
+              << dwarf::TagString(Die.getTag()) << ".\n";
+    });
     NumUnitErrors++;
   }
 
   uint8_t UnitType = Unit.getUnitType();
   if (!DWARFUnit::isMatchingUnitTypeAndTag(UnitType, Die.getTag())) {
-    error() << "Compilation unit type (" << dwarf::UnitTypeString(UnitType)
-            << ") and root DIE (" << dwarf::TagString(Die.getTag())
-            << ") do not match.\n";
+    ErrorCategory.Report("Mismatched unit type", [&]() {
+      error() << "Compilation unit type (" << dwarf::UnitTypeString(UnitType)
+              << ") and root DIE (" << dwarf::TagString(Die.getTag())
+              << ") do not match.\n";
+    });
     NumUnitErrors++;
   }
 
   //  According to DWARF Debugging Information Format Version 5,
   //  3.1.2 Skeleton Compilation Unit Entries:
   //  "A skeleton compilation unit has no children."
   if (Die.getTag() == dwarf::DW_TAG_skeleton_unit && Die.hasChildren()) {
-    error() << "Skeleton compilation unit has children.\n";
+    ErrorCategory.Report("Skeleton CU has children", [&]() {
+      error() << "Skeleton compilation unit has children.\n";
+    });
----------------
clayborg wrote:

show offset of skeleton die in detail or dump the Die with `Die.dump(OS)`

https://github.com/llvm/llvm-project/pull/79648