[clang] [clang-tools-extra] [clang][modules] Stop uniquing implicit modules via `FileEntry` (PR #185765)

[Jan Svoboda via cfe-commits]

================
@@ -13,11 +13,9 @@
 // RUN:  -Wno-experimental-header-units -fmodule-file=hu-01.pcm -o hu-02-rel.pcm \
 // RUN:  -fmodule-file-home-is-cwd
 
-// RUN: %clang -module-file-info hu-02-abs.pcm | FileCheck %s --check-prefix=IMPORT-ABS -DPREFIX=%t
-// IMPORT-ABS: Imports module 'hu-01': [[PREFIX]]{{/|\\}}hu-01.pcm
-
-// RUN: %clang -module-file-info hu-02-rel.pcm | FileCheck %s --check-prefix=IMPORT-REL
-// IMPORT-REL: Imports module 'hu-01': hu-01.pcm
+// RUN: %clang -module-file-info hu-02-abs.pcm | FileCheck %s --check-prefix=IMPORT
+// RUN: %clang -module-file-info hu-02-rel.pcm | FileCheck %s --check-prefix=IMPORT
+// IMPORT: Imports module 'hu-01': hu-01.pcm
----------------
jansvoboda11 wrote:

You're right, my change stopped making the path absolute and calling `adjustFilenameForRelocatableAST()`. I reverted that part of my PR, so this test is now unaffected.

https://github.com/llvm/llvm-project/pull/185765