[Bug optimization/14440] [tree-ssa] [regression] no sib calling with _Bool types

[dann at godzilla dot ics dot uci dot edu]

------- Additional Comments From dann at godzilla dot ics dot uci dot edu  2004-05-07 00:10 -------
It seems that is caused by what is mentioned at the end of:
http://gcc.gnu.org/ml/gcc-patches/2004-04/msg01958.html

The problem happens not only for bools, but for all functions returning a type for
which c_promoting_integer_type_p is true. 

I think that fiddling with the return type in "start_function" is too early for
tree-ssa (if it is needed at all). I have a patch that just deletes that fiddling,
it passes testing, it will be posted after the merge. 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14440