external/cairo: Support building with ASan/UBSan

A full `make check screenshot` required lots of little "harmless" fixes in
pixman and cairo to address:

> cairo-image-compositor.c:133:34: runtime error: left shift of 255 by 24 places cannot be represented in type 'int'
during CppunitTest_emfio_emf

> pixman-fast-path.c:3089:23: runtime error: left shift of 255 by 24 places cannot be represented in type 'int'
during CppunitTest_emfio_emf

> pixman-sse2.c:5019:17: runtime error: load of misaligned address 0x7f99303dbac5 for type 'uint32_t' (aka 'unsigned int'), which requires 4 byte alignment
during CppunitTest_emfio_emf

> cairo-fixed-private.h:64:14: runtime error: left shift of negative value -8388608
during CppunitTest_emfio_wmf

> pixman-sse2.c:6443:20: runtime error: left shift of 198 by 24 places cannot be represented in type 'int'
during CppunitTest_filter_svg

> pixman-sse2.c:5976:6: runtime error: load of misaligned address 0x629000163202 for type 'uint32_t' (aka 'unsigned int'), which requires 4 byte alignment
during CppunitTest_filter_svg

> pixman-sse2.c:3259:10: runtime error: load of misaligned address 0x606000c85761 for type 'uint32_t' (aka 'unsigned int'), which requires 4 byte alignment
during CppunitTest_oox_vml

> pixman-sse2.c:521:18: runtime error: load of misaligned address 0x607000ca9d41 for type 'const uint32_t' (aka 'const unsigned int'), which requires 4 byte alignment
during CppunitTest_oox_vml

> pixman-gradient-walker.c:196:14: runtime error: left shift of 255 by 24 places cannot be represented in type 'int'
during CppunitTest_sc_tiledrendering

> pixman-combine32.c:786:1: runtime error: left shift of 255 by 24 places cannot be represented in type 'int32_t' (aka 'int')
during CppunitTest_vcl_backend_test

> pixman-fast-path.c:2761:29: runtime error: left shift of negative value -99
during CppunitTest_xmloff_draw

> pixman-bits-image.c:243:31: runtime error: left shift of negative value -99
during CppunitTest_xmloff_draw

> pixman-bits-image.c:244:31: runtime error: left shift of negative value -9
during CppunitTest_sd_tiledrendering

> pixman-fast-path.c:2762:29: runtime error: left shift of negative value -84
during CppunitTest_sw_rtfexport2

> cairo-gstate.c:2300:14: runtime error: null pointer passed as argument 1, which is declared to never be null
during CppunitTest_sw_ooxmlexport8

> pixman-access.c:389:2: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
during CppunitTest_sw_ooxmlexport15

> ERROR: AddressSanitizer: stack-use-after-scope on address 0x7ff264ae275c at pc 0x7ff238941795 bp 0x7fff6bbadb10 sp 0x7fff6bbadb08
> READ of size 4 at 0x7ff264ae275c thread T0
>  #0 in _add_clipped_edge at workdir/UnpackedTarball/cairo/src/cairo-polygon.c:351:24 (instdir/program/libcairo.so.2 +0x88c794)
during CppunitTest_sw_odfexport

> cairo-tor-scan-converter.c:1619:34: runtime error: left shift of negative value -39
during CppunitTest_sw_odfexport

> ERROR: AddressSanitizer: stack-use-after-scope on address 0x7fe6ca085750 at pc 0x000000325c3a bp 0x7fff899bedd0 sp 0x7fff899be580
> READ of size 16 at 0x7fe6ca085750 thread T0
>  #0 in __asan_memcpy at /home/sbergman/github.com/llvm/llvm-project/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cpp:22:3 (workdir/LinkTarget/Executable/cppunittester +0x325c39)
during CppunitTest_sw_odfexport

> pixman-sse2.c:3352:14: runtime error: left shift of 65535 by 16 places cannot be represented in type 'int'
during CppunitTest_sw_odfexport

> cairo-gstate.c:2355:14: runtime error: null pointer passed as argument 1, which is declared to never be null
during CppunitTest_basctl_dialogs_test

> pixman-sse2.c:3537:10: runtime error: load of misaligned address 0x615000167682 for type 'uint32_t' (aka 'unsigned int'), which requires 4 byte alignment
during CppunitTest_sc_screenshots

> cairo-image-source.c:512:10: runtime error: load of misaligned address 0x6180037aee6f for type 'uint32_t' (aka 'unsigned int'), which requires 4 byte alignment
during UITest_writer_tests7

Change-Id: Icd2a211df4751d8dbfd5903bfba424b4c4672999
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/104572
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

0 files changed, 0 insertions, 0 deletions