the bz instruction that was wrongly used only admits a small immediate displacement and cannot be used with external symbols; apparently the linker fails to diagnose the overflow.
@@ -6,7 +6,7 @@
sigsetjmp:
__sigsetjmp:
ltgr %r3, %r3
- bz ___setjmp
+ jz ___setjmp
stg %r14, 18*8(%r2)
stg %r6, 20*8(%r2)
Bobby Bingham