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| author | loewis <loewis@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-06-30 16:47:15 +0000 |
|---|---|---|
| committer | loewis <loewis@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-06-30 16:47:15 +0000 |
| commit | 3359b21c9c5f89382337d0dd82e6d01788fd0632 (patch) | |
| tree | f8b22fdb9de1dcbf35c1c418f78a1d563ea89b6c /gcc/invoke.texi | |
| parent | b086b37b4b999ac37b51772ea9e60d8c6d0d366a (diff) | |
| download | gcc-3359b21c9c5f89382337d0dd82e6d01788fd0632.tar.gz | |
* invoke.texi (-Wreturn-type): In C++, a missing return type is
always an error.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34813 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/invoke.texi')
| -rw-r--r-- | gcc/invoke.texi | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/invoke.texi b/gcc/invoke.texi index 07663448263..21d16d2f354 100644 --- a/gcc/invoke.texi +++ b/gcc/invoke.texi @@ -1553,9 +1553,13 @@ the enclosing @code{if}. The resulting code would look like this: @end smallexample @item -Wreturn-type -Warn whenever a function is defined with a return-type that defaults -to @code{int}. Also warn about any @code{return} statement with no -return-value in a function whose return-type is not @code{void}. +Warn whenever a function is defined with a return-type that defaults to +@code{int}. Also warn about any @code{return} statement with no +return-value in a function whose return-type is not @code{void}. + +For C++, a function without return type always produces a diagnostic +message, even when @samp{-Wno-return-type} is specified. The only +exceptions are @samp{main} and functions defined in system headers. @item -Wswitch Warn whenever a @code{switch} statement has an index of enumeral type |