[compiler-rt] [llvm] [llvm-cov][gcov] Support multi-files coverage in one basic block (PR #144504)

[Fangrui Song via llvm-commits]

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@@ -271,6 +271,16 @@ class GCOVFunction {
   DenseSet<const GCOVBlock *> visited;
 };
 
+/// GCOVLocation - Represent file of lines same with block_location_info in gcc.
+class GCOVLocation {
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MaskRay wrote:

"location" is vague, which might make readers confused. Suggest GCOVBlockLocation.

https://github.com/llvm/llvm-project/pull/144504