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extend.texi (Function Attributes): Mention the exceptional path for noreturn-marked functions.

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* doc/extend.texi (Function Attributes): Mention the exceptional
	path for noreturn-marked functions.

From-SVN: r72401
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Hans-Peter Nilsson 2003-10-12 16:08:10 +00:00 • committed by Hans-Peter Nilsson
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@ -1,3 +1,8 @@
2003-10-12 Hans-Peter Nilsson <hp@bitrange.com>
* doc/extend.texi (Function Attributes): Mention the exceptional
path for noreturn-marked functions.
2003-10-12 Jan Hubicka <jh@suse.cz>
* cgraphunit.c (cgraph_decide_inlining): Fix uninitialized variable

4
gcc/doc/extend.texi
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@ -2020,6 +2020,10 @@ would happen if @code{fatal} ever did return. This makes slightly
better code. More importantly, it helps avoid spurious warnings of
uninitialized variables.
The @code{noreturn} keyword does not affect the exceptional path when that
applies: a @code{noreturn}-marked function may still return to the caller
by throwing an exception.
Do not assume that registers saved by the calling function are
restored before calling the @code{noreturn} function.