clang: Driver/tools.cpp: Add -lssp_nonshared on musl

musl driver will need to add ssp_nonshared for stack_check_local
on the linker cmdline when using stack protector commands on
compiler cmdline

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>

Author: kraj

clang/lib/Driver/ToolChains/Gnu.cpp

@@ -631,6 +631,12 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
       if (IsIAMCU)
         CmdArgs.push_back("-lgloss");
 
+      if (ToolChain.getTriple().isMusl() &&
+          (Args.hasArg(options::OPT_fstack_protector) ||
+          Args.hasArg(options::OPT_fstack_protector_strong) ||
+          Args.hasArg(options::OPT_fstack_protector_all))) {
+        CmdArgs.push_back("-lssp_nonshared");
+      }
       if (IsStatic || IsStaticPIE)
         CmdArgs.push_back("--end-group");
       else