StackOverflowDetection: always add private base when ForceAddingStac… #4180

Job	Run time
download-OpenCL-Clang	6s
build-SPIRV-LLVM-Translator (20.04, 14)	16s
build-SPIRV-LLVM-Translator (22.04, 14)	8s
build-SPIRV-LLVM-Translator (22.04, 15, true)	14s
build-IGC (20.04, 14, gcc)	50m 58s
build-IGC (20.04, 14, clang)	31m 15s
build-IGC (22.04, 14, gcc)	1h 6m 38s
build-IGC (22.04, 14, clang)	30m 17s
build-IGC (22.04, 15, gcc, true)	40m 21s
	3h 40m 13s

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