cyndyishida wrote:
> What would happen if both A-1.pcm and A-2.pcm are built for the same files
> (e.g., from Sysroot) but have different file names? Not saying it is a valid
> use case to support, just curious what would happen.
I tried this, where basically `A-1.pcm` is built again but with
`SomethingRandom-1.pcm` and passed that to the final client (B still depends on
A-1.pcm). The compilation passed, so I think that means clang doesn't care
about the name of the file.
```
/Users/cishida/Projects/llvm/monorepo/llvm-project/clang/test/Modules/invalid-module-dep.c:37:2:
remark: importing module 'B' from
'/Users/cishida/Builds/llvm-build/tools/clang/test/Modules/Output/invalid-module-dep.c.tmp/B-1.pcm'
[-Rmodule-import]
37 | #include <B/B.h>
| ^
/Users/cishida/Projects/llvm/monorepo/llvm-project/clang/test/Modules/invalid-module-dep.c:37:2:
remark: importing module 'A' into 'B' from
'/Users/cishida/Builds/llvm-build/tools/clang/test/Modules/Output/invalid-module-dep.c.tmp/SomethingRandom-1.pcm'
[-Rmodule-import]
```
https://github.com/llvm/llvm-project/pull/136612
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