Use `ForeverStackStore` in `ForeverStack` #8641

Job	Run time
build-and-check-gcc-5	32m 47s
build-and-check-ubuntu-32bit	24m 46s
build-and-check-ubuntu-64bit	24m 52s
build-and-check-asan	28m 16s
build-and-check-ubuntu-64bit-glibcxx	26m 46s
	2h 17m 27s

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