[driver] When creating the compiler invocation out of command-line
arguments, force use of clang frontend for the driver.
Fixes rdar://11356765.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157205 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CreateInvocationFromCommandLine.cpp b/lib/Frontend/CreateInvocationFromCommandLine.cpp
index b477ade..0aca86e 100644
--- a/lib/Frontend/CreateInvocationFromCommandLine.cpp
+++ b/lib/Frontend/CreateInvocationFromCommandLine.cpp
@@ -43,13 +43,17 @@
Args.push_back("<clang>"); // FIXME: Remove dummy argument.
Args.insert(Args.end(), ArgList.begin(), ArgList.end());
- // FIXME: Find a cleaner way to force the driver into restricted modes. We
- // also want to force it to use clang.
+ // FIXME: Find a cleaner way to force the driver into restricted modes.
Args.push_back("-fsyntax-only");
// FIXME: We shouldn't have to pass in the path info.
driver::Driver TheDriver("clang", llvm::sys::getDefaultTargetTriple(),
"a.out", false, *Diags);
+ // Force driver to use clang.
+ // FIXME: This seems like a hack. Maybe the "Clang" tool subclass should be
+ // available for using it to get the arguments, thus avoiding the overkill
+ // of using the driver.
+ TheDriver.setForcedClangUse();
// Don't check that inputs exist, they may have been remapped.
TheDriver.setCheckInputsExist(false);