[clang] [ASTWriter] Detect more non-affecting FileIDs to reduce source location duplication (PR #112015)

[Ilya Biryukov via cfe-commits]

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@@ -43,7 +43,7 @@ module third {}
 // CHECK-NEXT:       "command-line": [
 // CHECK-NEXT:         "-cc1",
 // CHECK:              "-fmodule-map-file=[[PREFIX]]/second/second/module.modulemap"
-// CHECK-NOT:          "-fmodule-map-file=[[PREFIX]]/second/second/sub.modulemap"
+// CHECK-NEXT:         "-fmodule-map-file=[[PREFIX]]/second/second/sub.modulemap"
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ilya-biryukov wrote:

I've updated the code to keep the old behavior in that case, PTAL.

https://github.com/llvm/llvm-project/pull/112015