--- gcc/config/x-rs6000	2018/04/24 17:54:04	1.1.1.2
+++ gcc/config/x-rs6000	2018/04/24 18:04:25	1.1.1.3
@@ -4,10 +4,6 @@ INSTALL=/usr/ucb/install -c
 # Show we need to use the C version of ALLOCA
 ALLOCA=alloca.o
 
-# We can't use -S to compile alloca
-ALLOCA_FLAGS=-c
-ALLOCA_FINISH=
-
 # For some reason, we need -lm for cc1.
 # We need -lld for collect2 (actually this only matters
 # for a native compiler, but this is as good a place as any