[clang] sort additional module maps when serializing
authorRichard Howell <rhow@fb.com>
Fri, 9 Sep 2022 17:49:44 +0000 (10:49 -0700)
committerRichard Howell <rhow@fb.com>
Mon, 12 Sep 2022 19:00:43 +0000 (12:00 -0700)
commit3c1b42347b3a0666c93948ade2f420a20e060c1a
tree5a21ae42801411d65210708c8eedb64302e64d54
parentd871bce2657cd52226d98e19c220886eea460486
[clang] sort additional module maps when serializing

Sort additional module maps when serializing pcm files. This ensures
the `MODULE_MAP_FILE` record is deterministic across repeated builds.

Reviewed By: benlangmuir

Differential Revision: https://reviews.llvm.org/D133611
clang/lib/Serialization/ASTWriter.cpp