id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
3397,:step hangs when -fbreak-on-exception is set,hamish,,"Stepping through code (that I can step through fine when -fbreak-on-exception is no set) hangs at the same place each time.  The function I started stepping was in one module and the hang was in another (not sure if this is significant).

Ctrl+C returns to the prompt (no other output) and a further :step at that point causes a ""not at breakpoint"".

I wonder if the flag is causing something to be evaluated a second time (I understand that can cause :step to hang).

Erik first noticed the problem in Leksah, but I can reproduce it in GHCi without using Leksah to control it.

I'll try to get a minimal test case together.",bug,closed,normal,7.2.1,GHCi,6.10.3,worksforme,,erik.flister@…,Unknown/Multiple,x86,None/Unknown,Unknown,,,,