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Subject: [Bug 210798] devel/gdb: compile-loc2c.c's
 do_compile_dwarf_expr_to_c( . . . ) uses uoffset += . . . with uoffset
 uninitialized as of -r417989; at least one other uninitialized example
Date: Sun, 03 Jul 2016 21:05:09 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D210798

--- Comment #3 from Mark Millard <markmi@dsl-only.net> ---
(In reply to Mark Millard from comment #0)

I probably should have been explicit that for the do_compile_dwarf_expr_to_c
code as it is:

push (indent, stream, uoffset);

always involves uoffset's uninitialized value.

If the "+=3D" were just "=3D" then the lack of a else assigning a value to =
uoffset
would still have a path in which uoffset involved an uninitialized value in=
 the
push call.

But it may be that an initialization of uoffset to something like 0 may take
care of things without an explicit else: the above wording is not trying to
point out the specific fix to make.

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