Try new llvm build

Author: mcbarton

.github/workflows/ci.yml

@@ -437,6 +437,7 @@ jobs:
                 -DLLVM_ENABLE_ZSTD=OFF                             `
                 -DLLVM_ENABLE_TERMINFO=OFF                         `
                 -DLLVM_ENABLE_LIBXML2=OFF                          `
+                -DCOMPILER_RT_BUILD_BUILTINS=ON `
                 ..\llvm
           cmake --build . --config Release --target clang --parallel ${{ env.ncpus }}
           cmake --build . --config Release --target compiler-rt --parallel ${{ env.ncpus }}
@@ -471,6 +472,7 @@ jobs:
                 -DLLVM_ENABLE_ZSTD=OFF                              `
                 -DLLVM_ENABLE_TERMINFO=OFF                          `
                 -DLLVM_ENABLE_LIBXML2=OFF                           `
+                -DCOMPILER_RT_BUILD_BUILTINS=ON `
                 ..\llvm
           cmake --build . --config Release --target clang clang-repl compiler-rt --parallel ${{ env.ncpus }}
         }

lib/Interpreter/CppInterOp.cpp

@@ -2629,8 +2629,6 @@ namespace Cpp {
 #ifdef _WIN32
     // FIXME : Workaround Sema::PushDeclContext assert on windows
     ClingArgv.push_back("-fno-delayed-template-parsing");
-    // FIXME : Workaround for emulated tls symbols not found
-    ClingArgv.push_back("-fno-threadsafe-statics");
 #endif
     ClingArgv.insert(ClingArgv.end(), Args.begin(), Args.end());
     // To keep the Interpreter creation interface between cling and clang-repl