Document that -Wreturn-type is enabled by default for C++

* doc/invoke.texi (-Wreturn-type): Document default status for C++. From-SVN: r259679

Document that -Wreturn-type is enabled by default for C++
* doc/invoke.texi (-Wreturn-type): Document default status for C++. From-SVN: r259679
030b3bdd · Jonathan Wakely · Jonathan Wakely · df36a3d3 · 030b3bdd · 030b3bdd
Commit 030b3bdd authored Apr 26, 2018 by Jonathan Wakely Committed by Jonathan Wakely Apr 26, 2018
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gcc/ChangeLog
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gcc/doc/invoke.texi
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2018-04-26  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/invoke.texi (-Wreturn-type): Document default status for C++.
+
 2018-04-26  Tom de Vries  <tom@codesourcery.com>

 	PR target/84952

--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -4783,7 +4783,7 @@ For C++, a function without return type always produces a diagnostic
 message, even when @option{-Wno-return-type} is specified.  The only
 exceptions are @code{main} and functions defined in system headers.

-This warning is enabled by @option{-Wall}.
+This warning is enabled by default for C++ and is enabled by @option{-Wall}.

 @item -Wshift-count-negative
 @opindex Wshift-count-negative