Enable -mconstructor-aliases by default on non-darwin platforms.
The linker bug holding this back is Darwin-specific.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96655 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index e65abae..d2391b3 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -799,6 +799,11 @@
CmdArgs.push_back("Arguments");
}
+ // Enable -mconstructor-aliases except on darwin, where we have to
+ // work around a linker bug; see <rdar://problem/7651567>.
+ if (getToolChain().getTriple().getOS() != llvm::Triple::Darwin)
+ CmdArgs.push_back("-mconstructor-aliases");
+
// This is a coarse approximation of what llvm-gcc actually does, both
// -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more
// complicated ways.