#3397: :step hangs when -fbreak-on-exception is set
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Reporter: hamish | Owner:
Type: bug | Status: new
Priority: normal | Component: GHCi
Version: 6.10.3 | Severity: normal
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: x86
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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.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3397>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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