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Robert Dewar <dewar@adacore.com> writes:
Well you always had local variables disappearing in earlier versions but enough worked so you could debug, in particular parameters were always available and reliable.
If parameters are passed in registers they are very likely to get lost. Even on i386 parameters sometimes get passed in registers, eg. when calling local functions.
Yes, indeed parameters do get lost and I find it impossible in practice to debug at -O1 (whereas this was ny normal practice for many years).
What I am saying is that if an effort is put in to improve the debugging information, for me this would be the primary target.
Andreas.
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