Remove FIXME

Author: ManuelJBrito

llvm/test/Transforms/NewGVN/coercion-different-ptr.ll

@@ -2,7 +2,7 @@
 ; RUN: opt -S -passes=newgvn < %s | FileCheck %s
 
 
-; FIXME: MemorySSA says that load1 depends on the lifetime start.
+; MemorySSA says that load1 depends on the lifetime start.
 ; That's OK since MemorySSA is may-alias; however, NewGVN should
 ; check whether the lifetime start *actually* defines the loaded pointer
 ; before simplifying to uninitialized memory.