Disable incremental build when -static-stdlib is presented.

Author: liuliu

swift/internal/compiling.bzl

@@ -916,6 +916,7 @@ def compile_action_configs(
         swift_toolchain_config.action_config(
             actions = [
                 swift_action_names.COMPILE,
+                swift_action_names.DERIVE_FILES,
             ],
             configurators = [swift_toolchain_config.add_arg("-static-stdlib")],
             features = [SWIFT_FEATURE_STATIC_STDLIB],

swift/internal/swift_toolchain.bzl

@@ -133,6 +133,7 @@ def _swift_linkopts_cc_info(
         toolchain_label: The label of the Swift toolchain that will act as the
             owner of the linker input propagating the flags.
         toolchain_root: The toolchain's root directory.
+        static_stdlib: Whether to statically link Swift standard libraries.
 
     Returns:
         A `CcInfo` provider that will provide linker flags to binaries that
@@ -161,9 +162,7 @@ def _swift_linkopts_cc_info(
         static_stdlib_args = "{platform_lib_dir}/static-stdlib-args.lnk".format(
             platform_lib_dir = platform_lib_dir,
         )
-        linkopts += [
-            "@{}".format(static_stdlib_args),
-        ]
+        linkopts.append("@{}".format(static_stdlib_args))
 
     runtime_object_path = "{platform_lib_dir}/{cpu}/swiftrt.o".format(
         cpu = cpu,

tools/worker/work_processor.cc

@@ -63,6 +63,7 @@ void WorkProcessor::ProcessWorkRequest(
   OutputFileMap output_file_map;
   std::string output_file_map_path;
   bool is_wmo = false;
+  bool is_static_stdlib = false;
   bool is_dump_ast = false;
 
   std::string prev_arg;
@@ -77,6 +78,8 @@ void WorkProcessor::ProcessWorkRequest(
     } else if (prev_arg == "-output-file-map") {
       output_file_map_path = arg;
       arg.clear();
+    } else if (arg == "-static-stdlib") {
+      is_static_stdlib = true;
     } else if (ArgumentEnablesWMO(arg)) {
       is_wmo = true;
     }
@@ -88,7 +91,7 @@ void WorkProcessor::ProcessWorkRequest(
     prev_arg = original_arg;
   }
 
-  bool is_incremental = !is_wmo && !is_dump_ast;
+  bool is_incremental = !is_wmo && !is_dump_ast && !is_static_stdlib;
 
   if (!output_file_map_path.empty()) {
     if (is_incremental) {