Fix subscript out of bounds error in Smalltalk inderences
...caused by missing size-check when analysing typed prefix.
193f12bef212fca2a0c1d12746dc9e1038fe1e1d expecco_ALM_1_10_0
193f12bef212fca2a0c1d12746dc9e1038fe1e1d expecco_ALM_1_10_0_8
193f12bef212fca2a0c1d12746dc9e1038fe1e1d expecco_ALM_1_11_0
193f12bef212fca2a0c1d12746dc9e1038fe1e1d expecco_ALM_1_11_0_2
193f12bef212fca2a0c1d12746dc9e1038fe1e1d expecco_ALM_1_11_2
3511d16582e62cb4bf4a0f97cf72962ff49664c2 expeccoALM_1_9_0_1
3db3e2fa66b5ea07978d8401f046d9b369d92909 expecco_2_9_0
3db3e2fa66b5ea07978d8401f046d9b369d92909 expecco_2_9_0_win75_lx36
3db3e2fa66b5ea07978d8401f046d9b369d92909 expecco_2_9_1
644a3072be96cecb202e66323f8fe09c2267b243 expecco_ALM_1_9_7
d0117a7b0c442ade4d46a1ebce27c73531c7b9d5 expecco_2_7_0
d0117a7b0c442ade4d46a1ebce27c73531c7b9d5 expecco_2_7_0_49
d0117a7b0c442ade4d46a1ebce27c73531c7b9d5 expecco_2_7_5
d0117a7b0c442ade4d46a1ebce27c73531c7b9d5 expecco_2_7_5a
ddbfb17fdd1bc15c49f07a70f2e7a14bccfc16ca expecco_head_5844
ee9b16e330818b4009e3a685e2b3bb7e21955657 expecco_2_8_0
ee9b16e330818b4009e3a685e2b3bb7e21955657 expecco_2_8_0a
ee9b16e330818b4009e3a685e2b3bb7e21955657 expecco_2_8_0b
ee9b16e330818b4009e3a685e2b3bb7e21955657 expecco_ALM_1_9_5
ee9b16e330818b4009e3a685e2b3bb7e21955657 expecco_ALM_1_9_6
f5c13fa1943ddc0e06fc9b2c9242472bc0d4ff16 expecco_2_10_0
f5c13fa1943ddc0e06fc9b2c9242472bc0d4ff16 expecco_2_10_0_41
f5c13fa1943ddc0e06fc9b2c9242472bc0d4ff16 expecco_2_11_0