V8 [PATCH] C/C++: Add -Waddress-of-packed-member

[H.J. Lu]

On Tue, Dec 18, 2018 at 7:19 PM Sandra Loosemore
<sandra@codesourcery.com> wrote:
>
> On 12/18/18 2:12 PM, H.J. Lu wrote:
> >
> > diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> > index ac2ee59d92c..47f2fc3f518 100644
> > --- a/gcc/doc/invoke.texi
> > +++ b/gcc/doc/invoke.texi
> > @@ -358,6 +358,7 @@ Objective-C and Objective-C++ Dialects}.
> >  -Wuseless-cast  -Wvariadic-macros  -Wvector-operation-performance @gol
> >  -Wvla  -Wvla-larger-than=@var{byte-size}  -Wvolatile-register-var @gol
> >  -Wwrite-strings @gol
> > +-Waddress-of-packed-member @gol
> >  -Wzero-as-null-pointer-constant  -Whsa}
> >
> >  @item C and Objective-C-only Warning Options
>
> Minor documentation nit:  it looks like some effort has been made to
> alphabetize that list.  Can you please put -Waddress-of-packed member in
> the right place, and also fix the misplaced -Whsa at the end?
>

I am applying

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 47f2fc3f518..14365fba501 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -281,7 +281,8 @@ Objective-C and Objective-C++ Dialects}.
 @xref{Warning Options,,Options to Request or Suppress Warnings}.
 @gccoptlist{-fsyntax-only  -fmax-errors=@var{n}  -Wpedantic @gol
 -pedantic-errors @gol
--w  -Wextra  -Wall  -Waddress  -Waggregate-return  -Waligned-new @gol
+-w  -Wextra  -Wall  -Waddress  -Waddress-of-packed-member @gol
+-Waggregate-return  -Waligned-new @gol
 -Walloc-zero  -Walloc-size-larger-than=@var{byte-size} @gol
 -Walloca  -Walloca-larger-than=@var{byte-size} @gol
 -Wno-aggressive-loop-optimizations  -Warray-bounds  -Warray-bounds=@var{n} @gol
@@ -310,7 +311,7 @@ Objective-C and Objective-C++ Dialects}.
 -Wformat-y2k  -Wframe-address @gol
 -Wframe-larger-than=@var{byte-size}  -Wno-free-nonheap-object @gol
 -Wjump-misses-init @gol
--Wif-not-aligned @gol
+-Whsa  -Wif-not-aligned @gol
 -Wignored-qualifiers  -Wignored-attributes  -Wincompatible-pointer-types @gol
 -Wimplicit  -Wimplicit-fallthrough  -Wimplicit-fallthrough=@var{n} @gol
 -Wimplicit-function-declaration  -Wimplicit-int @gol
@@ -358,8 +359,7 @@ Objective-C and Objective-C++ Dialects}.
 -Wuseless-cast  -Wvariadic-macros  -Wvector-operation-performance @gol
 -Wvla  -Wvla-larger-than=@var{byte-size}  -Wvolatile-register-var @gol
 -Wwrite-strings @gol
--Waddress-of-packed-member @gol
--Wzero-as-null-pointer-constant  -Whsa}
+-Wzero-as-null-pointer-constant}

 @item C and Objective-C-only Warning Options
 @gccoptlist{-Wbad-function-cast  -Wmissing-declarations @gol

Thanks.

-- 
H.J.