[llvm] [llvm-dwp] Fix infinite loop on DWARFv5 DW_FORM_implicit_const (PR #205567)

[via llvm-commits]

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@@ -39,19 +39,43 @@ static uint64_t debugStrOffsetsHeaderSize(DataExtractor StrOffsetsData,
   return 8;    // unit length: 4 bytes, version: 2 bytes, padding: 2 bytes.
 }
 
-static uint64_t getCUAbbrev(StringRef Abbrev, uint64_t AbbrCode) {
+// Read the next (attribute, form) pair into Name and Form, also consuming the
+// inline DW_FORM_implicit_const value when present. Returns false on the
+// terminating (0, 0) pair.
+static bool readAbbrevAttribute(const DataExtractor &AbbrevData,
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youngd007 wrote:

That seems fair to move.  Hopefully it has a dependency on it already!

https://github.com/llvm/llvm-project/pull/205567