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Commit d955420e by Devang Patel Committed by Devang Patel
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* doc/invoke.texi (-Wuninitialized): Clarify -O connection. 

From-SVN: r113048
parent 7ae99337
Showing with 7 additions and 2 deletions
gcc/ChangeLog
2006-04-18 Devang Patel <dpatel@apple.com>
* doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2006-04-18 Nick Clifton <nickc@redhat.com> 2006-04-18 Nick Clifton <nickc@redhat.com>
* config/sh/t-symbian: Add rule to build sh-c.o * config/sh/t-symbian: Add rule to build sh-c.o
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gcc/doc/invoke.texi
...@@ -2682,8 +2682,9 @@ if a variable may be clobbered by a @code{setjmp} call. ...@@ -2682,8 +2682,9 @@ if a variable may be clobbered by a @code{setjmp} call.
These warnings are possible only in optimizing compilation, These warnings are possible only in optimizing compilation,
because they require data flow information that is computed only because they require data flow information that is computed only
when optimizing. If you don't specify @option{-O}, you simply won't when optimizing. If you do not specify @option{-O}, you will not get
get these warnings. these warnings. Instead, GCC will issue a warning about @option{-Wuninitialized}
requiring @option{-O}.
If you want to warn about code which uses the uninitialized value of the If you want to warn about code which uses the uninitialized value of the
variable in its own initializer, use the @option{-Winit-self} option. variable in its own initializer, use the @option{-Winit-self} option.
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