[all-commits] [llvm/llvm-project] 1365b5: [clang][DependencyScanning] Track dependencies fr...

[Cyndy Ishida via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1365b5b1ad5d09a738dbe97b5a72902186e24d80
      https://github.com/llvm/llvm-project/commit/1365b5b1ad5d09a738dbe97b5a72902186e24d80
  Author: Cyndy Ishida <cyndy_ishida at apple.com>
  Date:   2025-04-08 (Tue, 08 Apr 2025)

  Changed paths:
    M clang/include/clang/Serialization/ASTReader.h
    M clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h
    M clang/lib/Frontend/FrontendActions.cpp
    M clang/lib/Serialization/ASTReader.cpp
    M clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp
    M clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
    M clang/test/ClangScanDeps/prebuilt-modules-in-stable-dirs.c

  Log Message:
  -----------
   [clang][DependencyScanning] Track dependencies from prebuilt modules to determine IsInStableDir (#132237)

When a module is being scanned, it can depend on modules that have
already been built from a pch dependency. When this happens, the pcm
files are reused for the module dependencies. When this is the case,
check if input files recorded from the PCMs come from the provided
stable directories transitively since the scanner will not have access
to the full set of file dependencies from prebuilt modules.



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