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| author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2010-04-09 07:49:41 +0000 |
|---|---|---|
| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2010-04-09 07:49:41 +0000 |
| commit | dc8d273907ba88cf11180a2fdf79f086feeb44f6 (patch) | |
| tree | d3948de1f31acd50882bef52bb6d0f63b19293a6 /gcc/doc | |
| parent | d3a9eea2c0e65e0f03c249bab8aa3fa56149dfe0 (diff) | |
| download | gcc-dc8d273907ba88cf11180a2fdf79f086feeb44f6.zip gcc-dc8d273907ba88cf11180a2fdf79f086feeb44f6.tar.gz gcc-dc8d273907ba88cf11180a2fdf79f086feeb44f6.tar.bz2 | |
re PR c++/28584 (Cast to pointer from integer of different size)
2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/28584
* c.opt (Wint-to-pointer-cast): Available in C++.
* doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
cp/
* typeck.c (cp_build_c_cast): Warn for casting integer to larger
pointer type.
testsuite/
* gcc.dg/Wint-to-pointer-cast-1.c: Move to...
* c-c++-common/Wint-to-pointer-cast-1.c: ... here.
* gcc.dg/Wint-to-pointer-cast-2.c: Move to...
* c-c++-common/Wint-to-pointer-cast-2.c: ... here.
* gcc.dg/Wint-to-pointer-cast-3.c: Move to...
* c-c++-common/Wint-to-pointer-cast-3.c: ... here. Update.
* g++.old-deja/g++.mike/warn1.C: Add -Wno-int-to-pointer-cast.
* g++.dg/other/increment1.C: Likewise.
From-SVN: r158150
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 7a8ca55..ad7d097 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4284,11 +4284,13 @@ warning about it. The restrictions on @samp{offsetof} may be relaxed in a future version of the C++ standard. -@item -Wno-int-to-pointer-cast @r{(C and Objective-C only)} +@item -Wno-int-to-pointer-cast @opindex Wno-int-to-pointer-cast @opindex Wint-to-pointer-cast Suppress warnings from casts to pointer type of an integer of a -different size. +different size. In C++, casting to a pointer type of smaller size is +an error. @option{Wint-to-pointer-cast} is enabled by default. + @item -Wno-pointer-to-int-cast @r{(C and Objective-C only)} @opindex Wno-pointer-to-int-cast |