Index: gcc/common.opt
--- gcc/common.opt.orig
+++ gcc/common.opt
@@ -1779,7 +1779,7 @@ Common Report Var(flag_ivopts) Init(1) Optimization
 Optimize induction variables on trees.
 
 fjump-tables
-Common Var(flag_jump_tables) Init(1) Optimization
+Common Var(flag_jump_tables) Init(0) Optimization
 Use jump tables for sufficiently large switch statements.
 
 fkeep-inline-functions