Merge pull request #8748 from etcwilde/ewilde/set-swift-clang-linker

Set Swift clang-linker path

Author: shahmishal

lldb/packages/Python/lldbsuite/test/make/Makefile.rules

@@ -616,6 +616,7 @@ ifeq "$(USESWIFTDRIVER)" "1"
 	ifeq "$(OS)" "Darwin"
 		SWIFTFLAGS += -sdk "$(SWIFTSDKROOT)"
 	endif
+	SWIFTFLAGS += -tools-directory "$(shell dirname $(CC))"
 endif
 
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