Revert "[flang] Use precompiled parsing headers"

[mrkajetanp]

Reverts #130600

Reverting on account of Windows issues with ccache, will bring back along with #131137 once those are resolved.

[llvmbot]

@llvm/pr-subscribers-flang-driver

Author: Kajetan Puchalski (mrkajetanp)

Changes

Reverts llvm/llvm-project#130600

Reverting on account of Windows issues with ccache, will bring back along with #131137 once those are resolved.

---

Full diff: https://github.com/llvm/llvm-project/pull/134851.diff

1 Files Affected:

• (modified) flang/lib/Frontend/CMakeLists.txt (-8)

diff --git a/flang/lib/Frontend/CMakeLists.txt b/flang/lib/Frontend/CMakeLists.txt
index e8a098613e26f..c80373799b015 100644
--- a/flang/lib/Frontend/CMakeLists.txt
+++ b/flang/lib/Frontend/CMakeLists.txt
@@ -72,11 +72,3 @@ add_flang_library(flangFrontend
   clangBasic
   clangDriver
 )
-
-target_precompile_headers(flangFrontend PRIVATE
-  [["flang/Parser/parsing.h"]]
-  [["flang/Parser/parse-tree.h"]]
-  [["flang/Parser/dump-parse-tree.h"]]
-  [["flang/Lower/PFTBuilder.h"]]
-  [["flang/Lower/Bridge.h"]]
-)