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My GCC sizeof a union of structs bug seems to be pilot error after
all...
So Hugh Redelmeier found the actual bug when we were looking at the
various details of memory allocation: we were not declaring any struct
identifiers to take the size of. This is the solution:
char ccc[ sizeof( union{ struct aaa; struct bbb; })];
char ccc[ sizeof( union{ struct aaa ; struct bbb ; })];
char ccc[ sizeof( union{ struct aaa Ignore_Me; struct bbb Ignore_Me_Too; })];
^^^^^^^^^ ^^^^^^^^^^^^^
One might argue that Draft n2794.txt "6.7 Declarations" paragraphs
#2 and #6 are at odds in this case, one saying the lack of an
identifier is an error and the other saying it's optional. I leave
this for you to decide.
I will point out that the behavior of the C compiler has changed and
that this should be documented.
Thanks for GCC folks.
||ugh Daniel
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