Embedded: only include ExecutorImpl.cpp for Wasm

Author: MaxDesiatov

stdlib/public/Concurrency/CMakeLists.txt

@@ -84,7 +84,6 @@ set(SWIFT_RUNTIME_CONCURRENCY_C_SOURCES
   Error.cpp
   ExecutorBridge.cpp
   ExecutorChecks.cpp
-  ExecutorImpl.cpp
   Task.cpp
   TaskAlloc.cpp
   TaskStatus.cpp
@@ -169,9 +168,12 @@ set(SWIFT_RUNTIME_CONCURRENCY_SWIFT_SOURCES
   PlatformExecutorFreeBSD.swift
 )
 
+set(SWIFT_RUNTIME_CONCURRENCY_NONEMBEDDED_C_SOURCES
+  ExecutorImpl.cpp
+)
+
 set(SWIFT_RUNTIME_CONCURRENCY_EXECUTOR_SOURCES)
 set(SWIFT_RUNTIME_CONCURRENCY_NONEMBEDDED_SWIFT_SOURCES)
-set(SWIFT_RUNTIME_CONCURRENCY_NONEMBEDDED_C_SOURCES)
 
 if("${SWIFT_CONCURRENCY_GLOBAL_EXECUTOR}" STREQUAL "dispatch")
   set(SWIFT_RUNTIME_CONCURRENCY_EXECUTOR_SOURCES
@@ -314,6 +316,9 @@ if(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB AND SWIFT_SHOULD_BUILD_EMBEDDED_CONCURRENC
         ExecutorImpl.swift
         PlatformExecutorCooperative.swift
       )
+      list(APPEND SWIFT_RUNTIME_CONCURRENCY_C_SOURCES
+        ExecutorImpl.cpp
+      )
     else()
       set(SWIFT_RUNTIME_CONCURRENCY_EMBEDDED_SWIFT_SOURCES
         ExecutorImpl.swift