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Old 22nd November 2019, 15:23   #1  |  Link
Jamaika
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Join Date: Jul 2015
Posts: 613
Problem with GCC 10

GCC 10 has strange messages when compiling the VVC codec:
http://msystem.waw.pl/x265/mingw-gcc1000-20191116.7z
Code:
UnitTools.cpp: In function 'void PU::getInterMergeCandidates(const PredictionUnit&, MergeCtx&, int, const int&)':
UnitTools.cpp:1323:50: warning: writing 1 byte into a region of size 0 [ttps://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-overflow=stringop-overflow=]
 1323 |     mrgCtx.interDirNeighbours [uiArrayAddr     ] = 1;
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from UnitTools.h:43,
                 from UnitTools.cpp:38:
ContextModelling.h:488:17: note: destination object declared here
  488 |   unsigned char interDirNeighbours[ MRG_MAX_NUM_CANDS      ];
      |                 ^~~~~~~~~~~~~~~~~~
UnitTools.cpp:1324:50: warning: writing 1 byte into a region of size 0 [ttps://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-overflow=stringop-overflow=]
 1324 |     mrgCtx.GBiIdx             [uiArrayAddr     ] = GBI_DEFAULT;
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
In file included from UnitTools.h:43,
                 from UnitTools.cpp:38:
ContextModelling.h:487:17: note: destination object declared here
  487 |   uint8_t       GBiIdx            [ MRG_MAX_NUM_CANDS      ];
      |                 ^~~~~~
UnitTools.cpp:1330:58: warning: writing 1 byte into a region of size 0 [ttps://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-overflow=stringop-overflow=]
 1330 |       mrgCtx.interDirNeighbours [ uiArrayAddr          ] = 3;
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from UnitTools.h:43,
                 from UnitTools.cpp:38:
ContextModelling.h:488:17: note: destination object declared here
  488 |   unsigned char interDirNeighbours[ MRG_MAX_NUM_CANDS      ];
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Old 1st December 2019, 16:19   #2  |  Link
Jamaika
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Join Date: Jul 2015
Posts: 613
Code:
In member function 'virtual int LibRaw::adobe_coeff(unsigned int, const char*, int)':
cc1plus.exe: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations]
In file included from dcraw_common.cpp:25:
tables/colordata.cpp:1695:33: note: within this loop
 1695 |       for (raw_color = j = 0; j < 12; j++)
      |                               ~~^~~~
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