Make the addtional import list for static linking for flang invocation only.

Author: DanielCChen

clang/lib/Driver/ToolChains/AIX.cpp

@@ -129,12 +129,15 @@ void aix::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   // Force static linking when "-static" is present.
   if (Args.hasArg(options::OPT_static)) {
     CmdArgs.push_back("-bnso");
-    // The folllowing linker options are needed to statically link to the
-    // shared libflang_rt.runtime.a on AIX
-    CmdArgs.push_back("-bI:/usr/lib/syscalls.exp");
-    CmdArgs.push_back("-bI:/usr/lib/aio.exp");
-    CmdArgs.push_back("-bI:/usr/lib/threads.exp");
-    CmdArgs.push_back("-lcrypt");
+
+    if (D.IsFlangMode()) {
+      // The folllowing linker options are needed to statically link to the
+      // shared libflang_rt.runtime.a on AIX
+      CmdArgs.push_back("-bI:/usr/lib/syscalls.exp");
+      CmdArgs.push_back("-bI:/usr/lib/aio.exp");
+      CmdArgs.push_back("-bI:/usr/lib/threads.exp");
+      CmdArgs.push_back("-lcrypt");
+    }
   }
 
   // Add options for shared libraries.