Use None instead of an explicit constructor.
And remove a needless 'const' since ArrayRef is immutable.
Both as suggested by dblaikie on cfe-commits.
llvm-svn: 247995
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 8ec636a..f231282 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1171,7 +1171,7 @@
/// triple.
void Generic_GCC::GCCInstallationDetector::init(
const Driver &D, const llvm::Triple &TargetTriple, const ArgList &Args,
- const ArrayRef<std::string> ExtraTripleAliases) {
+ ArrayRef<std::string> ExtraTripleAliases) {
llvm::Triple BiarchVariantTriple = TargetTriple.isArch32Bit()
? TargetTriple.get64BitArchVariant()
: TargetTriple.get32BitArchVariant();
diff --git a/clang/lib/Driver/ToolChains.h b/clang/lib/Driver/ToolChains.h
index 203e30b..f14fc3e7 100644
--- a/clang/lib/Driver/ToolChains.h
+++ b/clang/lib/Driver/ToolChains.h
@@ -102,8 +102,7 @@
GCCInstallationDetector() : IsValid(false) {}
void init(const Driver &D, const llvm::Triple &TargetTriple,
const llvm::opt::ArgList &Args,
- const ArrayRef<std::string> ExtraTripleAliases =
- ArrayRef<std::string>());
+ ArrayRef<std::string> ExtraTripleAliases = None);
/// \brief Check whether we detected a valid GCC install.
bool isValid() const { return IsValid; }