Storage.c: Pass a size to sys_icache_invalidate
Storage.c: Pass a size to sys_icache_invalidate

The previous code passed an end pointer, but the interface takes a size
instead.

Fixes #12838.

Reviewers: austin, erikd, simonmar, bgamari

Reviewed By: simonmar, bgamari

Subscribers: thomie

Differential Revision: https://phabricator.haskell.org/D2711

GHC Trac Issues: #12838

shlevy/ghc,shlevy/ghc,olsner/ghc,olsner/ghc,ezyang/ghc,ezyang/ghc,mettekou/ghc,mettekou/ghc,shlevy/ghc,ezyang/ghc,ezyang/ghc,shlevy/ghc,olsner/ghc,sdiehl/ghc,sdiehl/ghc,shlevy/ghc,sdiehl/ghc,ezyang/ghc,olsner/ghc,mettekou/ghc,ezyang/ghc,olsner/ghc,ezyang/ghc,mettekou/ghc,shlevy/ghc,mettekou/ghc,sdiehl/ghc,shlevy/ghc,mettekou/ghc,sdiehl/ghc,olsner/ghc,sdiehl/ghc,sdiehl/ghc,mettekou/ghc,olsner/ghc