Reland "[clang][SourceManager] cache Macro Expansions""
authorNick Desaulniers <ndesaulniers@google.com>
Mon, 29 Jun 2020 19:42:37 +0000 (12:42 -0700)
committerNick Desaulniers <ndesaulniers@google.com>
Mon, 29 Jun 2020 19:54:32 +0000 (12:54 -0700)
commit7b8cf98b4a9a2f5ea3667fdbf913a4f8952ed36a
treea3cbeb9aafe39123c84634b7cb454da5fddd2fbb
parent7c2cb1448ad2d20e251db5e3ae4a0c84c12aa970
Reland "[clang][SourceManager] cache Macro Expansions""

This reverts commit 33d63f02ce408d181e13089ee5a667fb2e1cdc78.

Differential Revision: https://reviews.llvm.org/D80681
clang/lib/Basic/SourceManager.cpp