[PATCH] D125179: [clangd] Skip (most) predefined macros when scanning for preamble patching.

[Sam McCall via Phabricator via cfe-commits]

This revision was not accepted when it landed; it landed in state "Needs Review".
This revision was automatically updated to reflect the committed changes.
Closed by commit rGf1a9c4b717be: [clangd] Skip (most) predefined macros when scanning for preamble patching. (authored by sammccall).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125179/new/

https://reviews.llvm.org/D125179

Files:
  clang-tools-extra/clangd/Preamble.cpp


Index: clang-tools-extra/clangd/Preamble.cpp
===================================================================
--- clang-tools-extra/clangd/Preamble.cpp
+++ clang-tools-extra/clangd/Preamble.cpp
@@ -302,6 +302,7 @@
     return error("compiler instance had no inputs");
   // We are only interested in main file includes.
   Clang->getPreprocessorOpts().SingleFileParseMode = true;
+  Clang->getPreprocessorOpts().UsePredefines = false;
   PreprocessOnlyAction Action;
   if (!Action.BeginSourceFile(*Clang, Clang->getFrontendOpts().Inputs[0]))
     return error("failed BeginSourceFile");


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