[clang] [Coverage][Expansion] handle nested macros in scratch space (PR #89869)

[Jessica Paquette via cfe-commits]

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@@ -517,7 +552,7 @@ class CoverageMappingBuilder {
     SourceRegionFilter Filter;
     for (const auto &FM : FileIDMapping) {
       SourceLocation ExpandedLoc = FM.second.second;
-      SourceLocation ParentLoc = getIncludeOrExpansionLoc(ExpandedLoc);
+      SourceLocation ParentLoc = getIncludeOrExpansionLoc(ExpandedLoc, false);
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ornata wrote:

The boolean parameter for this function is only used in this single callsite. Do we need it at all?

https://github.com/llvm/llvm-project/pull/89869