Merge pull request #9744 from milseman/static_stdlib

[stdlib] Static linking test case

Author: milseman

lib/Driver/ToolChains.cpp

@@ -1237,10 +1237,10 @@ toolchains::Darwin::constructInvocation(const LinkJobAction &job,
     getRuntimeStaticLibraryPath(StaticRuntimeLibPath, context.Args, *this);
     Arguments.push_back(context.Args.MakeArgString(StaticRuntimeLibPath));
     Arguments.push_back("-lc++");
+    Arguments.push_back("-licucore");
     Arguments.push_back("-framework");
     Arguments.push_back("Foundation");
     Arguments.push_back("-force_load_swift_libs");
-    Arguments.push_back("-licucore");
   } else {
     Arguments.push_back(context.Args.MakeArgString(RuntimeLibPath));
   }

test/Driver/static-stdlib-icu.swift

@@ -0,0 +1,8 @@
+// REQUIRES: OS=macosx
+// Note: This is really about the /host/ environment
+
+// RUN: %swiftc_driver -driver-print-jobs -static-stdlib %S/../Inputs/empty.swift | %FileCheck -check-prefix STATIC %s
+// RUN: %swiftc_driver -driver-print-jobs %S/../Inputs/empty.swift | %FileCheck -check-prefix NO_STATIC %s
+
+// STATIC: {{.*}}-L {{[^ ]*}}/lib/swift_static/macosx {{.*}}-licucore 
+// NO_STATIC: {{.*}}-L {{[^ ]*}}/lib/swift/macosx