[PATCH] D111270: [clang] Pass -clear-ast-before-backend in Clang::ConstructJob()

[Arthur Eubanks via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG47eb99aa44ab: [clang] Pass -clear-ast-before-backend in Clang::ConstructJob() (authored by aeubanks).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111270/new/

https://reviews.llvm.org/D111270

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Interpreter/Interpreter.cpp


Index: clang/lib/Interpreter/Interpreter.cpp
===================================================================
--- clang/lib/Interpreter/Interpreter.cpp
+++ clang/lib/Interpreter/Interpreter.cpp
@@ -113,6 +113,10 @@
 
   Clang->getTarget().adjust(Clang->getDiagnostics(), Clang->getLangOpts());
 
+  // Don't clear the AST before backend codegen since we do codegen multiple
+  // times, reusing the same AST.
+  Clang->getCodeGenOpts().ClearASTBeforeBackend = false;
+
   return std::move(Clang);
 }
 
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -4660,6 +4660,7 @@
   // cleanup.
   if (!C.isForDiagnostics())
     CmdArgs.push_back("-disable-free");
+  CmdArgs.push_back("-clear-ast-before-backend");
 
 #ifdef NDEBUG
   const bool IsAssertBuild = false;


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