rts: Ensure that the_gc_thread is aligned
authorBen Gamari <ben@smart-cactus.org>
Mon, 6 Aug 2018 18:52:59 +0000 (14:52 -0400)
committerBen Gamari <ben@smart-cactus.org>
Mon, 6 Aug 2018 21:53:14 +0000 (17:53 -0400)
commitc6cc93bca69abc258513af8cf2370b14e70fd8fb
tree5171c1b4271eae0166d1b94993eaea3602ee7114
parentff06176b87078ce56cc7b6b3405a029ef3d0046f
rts: Ensure that the_gc_thread is aligned

Since we cast this to a gc_thread the compiler may assume that it's aligned.
Make sure that this is so. Fixes #15482.
rts/sm/GC.c