[clang][modules] Track included files per submodule

[jansvoboda11]

No description provided.

[github-actions]

⚠️ C/C++ code formatter, clang-format found issues in your code. ⚠️

You can test this locally with the following command:

git-clang-format --diff 89d5635f0a834e53ac5446c6d6ea38d9166b2a55 9debc58d5135fbde51967dfb076d0ec5d954df38 -- clang/include/clang/Basic/Module.h clang/include/clang/Lex/Preprocessor.h clang/lib/Serialization/ASTReader.cpp clang/lib/Serialization/ASTReaderInternals.h clang/lib/Serialization/ASTWriter.cpp

View the diff from clang-format here.

diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index a7fddaf8e243..da5da0183a9f 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -1894,10 +1894,9 @@ namespace {
       endian::Writer LE(Out, llvm::endianness::little);
       uint64_t Start = Out.tell(); (void)Start;
 
-      unsigned char Flags = (Data.HFI.isImport << 5)
-                          | (Data.HFI.isPragmaOnce << 4)
-                          | (Data.HFI.DirInfo << 1)
-                          | Data.HFI.IndexHeaderMapHeader;
+      unsigned char Flags =
+          (Data.HFI.isImport << 5) | (Data.HFI.isPragmaOnce << 4) |
+          (Data.HFI.DirInfo << 1) | Data.HFI.IndexHeaderMapHeader;
       LE.write<uint8_t>(Flags);
 
       if (!Data.HFI.ControllingMacro)
@@ -2066,8 +2065,10 @@ void ASTWriter::WriteHeaderSearch(const HeaderSearch &HS) {
       Filename, File->getSize(), getTimestampForOutput(*File)
     };
     HeaderFileInfoTrait::data_type Data = {
-      *HFI, Includers, HS.getModuleMap().findResolvedModulesForHeader(*File), {}
-    };
+        *HFI,
+        Includers,
+        HS.getModuleMap().findResolvedModulesForHeader(*File),
+        {}};
     Generator.insert(Key, Data, GeneratorTrait);
     ++NumHeaderSearchEntries;
   }