diff options
author | Stephan Bergmann <sbergman@redhat.com> | 2016-09-12 15:38:13 +0200 |
---|---|---|
committer | Stephan Bergmann <sbergman@redhat.com> | 2016-09-12 15:38:13 +0200 |
commit | bb0816673dc755f109fb1c8a78154a932119fd2e (patch) | |
tree | 5817d92f375db5eeb054e14001eb514b085c4945 | |
parent | 24731174015d04b7acb5041fdc836dd74f9313a1 (diff) |
Disable GCC 6 -Wnull-dereference again for now
...at least with both gcc-6.1.1-3.fc24.x86_64 and a recent GCC 7 trunk build it
produces lots of incomprehensible (potentially false positive) occurrences in a
--disable-debug build, like
> [CXX] store/source/stordir.cxx
> In file included from /home/sbergman/lo/core/store/source/stordir.hxx:30:0,
> from /home/sbergman/lo/core/store/source/stordir.cxx:20:
> /home/sbergman/lo/core/store/source/storbase.hxx: In member function ‘storeError store::OStoreDirectory_Impl::create(store::OStorePageManager*, rtl_String*, rtl_String*, storeAccessMode)’:
> /home/sbergman/lo/core/store/source/storbase.hxx:237:23: error: potential null pointer dereference [-Werror=null-dereference]
> m_nUsed = rhs.m_nUsed;
> ~~~~^~~~~~~
> /home/sbergman/lo/core/store/source/storbase.hxx:236:23: error: potential null pointer dereference [-Werror=null-dereference]
> m_nSize = rhs.m_nSize;
> ~~~~^~~~~~~
> /home/sbergman/lo/core/store/source/storbase.hxx:235:23: error: potential null pointer dereference [-Werror=null-dereference]
> m_nAddr = rhs.m_nAddr;
> ~~~~^~~~~~~
> [...]
> [CXX] store/source/storlckb.cxx
> In file included from /home/sbergman/lo/core/store/source/storlckb.hxx:29:0,
> from /home/sbergman/lo/core/store/source/storlckb.cxx:20:
> /home/sbergman/lo/core/store/source/storbase.hxx: In member function ‘storeError store::OStoreLockBytes::readAt(sal_uInt32, void*, sal_uInt32, sal_uInt32&)’:
> /home/sbergman/lo/core/store/source/storbase.hxx:595:26: error: potential null pointer dereference [-Werror=null-dereference]
> return isA<U>(p) ? static_cast<U*>(p) : 0;
> ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16351> "NULL dereference warnings"
looks like this is a known problem.
Change-Id: I5eb0c9def7dd12e3a440d280e3fa2331317031b4
-rw-r--r-- | solenv/gbuild/platform/com_GCC_defs.mk | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/solenv/gbuild/platform/com_GCC_defs.mk b/solenv/gbuild/platform/com_GCC_defs.mk index d44b3ee986d3..5f00cf433f1e 100644 --- a/solenv/gbuild/platform/com_GCC_defs.mk +++ b/solenv/gbuild/platform/com_GCC_defs.mk @@ -88,12 +88,10 @@ ifeq ($(shell expr '$(GCC_VERSION)' '>=' 600),1) gb_CFLAGS_COMMON += \ -Wduplicated-cond \ -Wlogical-op \ - -Wnull-dereference \ -Wshift-overflow=2 gb_CXXFLAGS_COMMON += \ -Wduplicated-cond \ -Wlogical-op \ - -Wnull-dereference \ -Wshift-overflow=2 \ -Wunused-const-variable=1 endif |