[Bug tree-optimization/109714] mesa/aux/draw_llvm: bogus "may be used uninitialized warning"

["david at ixit dot cz" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109714

--- Comment #9 from David Heidelberg (okias) <david at ixit dot cz> ---
Sorry, the previous command was for different bug (bugzilla weirdly switching
bugs when sending the comment, probably disabled JS :/ )

Here it's:

/usr/lib/gcc-snapshot/bin/gcc -Isrc/gallium/auxiliary/libgallium.a.p
-Isrc/gallium/auxiliary -I../src/gallium/auxiliary -Isrc/loader -I../src/loader
-I../src/gallium/include -Isrc -I../src -Iinclude -I../include
-I../src/gallium/auxiliary/util -Isrc/compiler/nir -I../src/compiler/nir
-I/usr/include/libdrm -I/usr/include/valgrind -I/usr/include/x86_64-linux-gnu
-fvisibility=hidden -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64
-Wall -Winvalid-pch -std=c11 -O3 '-DPACKAGE_VERSION="23.2.0-devel"'
'-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/-/issues"'
-DHAVE_OPENGL=1 -DHAVE_OPENGL_ES_1=1 -DHAVE_OPENGL_ES_2=1 -DHAVE_R300
-DHAVE_I915 -DHAVE_IRIS -DHAVE_SWRAST -DVIDEO_CODEC_VC1DEC=0
-DVIDEO_CODEC_H264DEC=1 -DVIDEO_CODEC_H264ENC=1 -DVIDEO_CODEC_H265DEC=1
-DVIDEO_CODEC_H265ENC=1 -DHAVE_X11_PLATFORM -DHAVE_WAYLAND_PLATFORM
-DHAVE_SURFACELESS_PLATFORM -DHAVE_DRM_PLATFORM -DHAVE_XCB_PLATFORM
-DENABLE_ST_OMX_BELLAGIO=0 -DENABLE_ST_OMX_TIZONIA=0 -DGLX_INDIRECT_RENDERING
-DGLX_DIRECT_RENDERING -DGLX_USE_DRM -DALLOW_KCMP -DENABLE_SHADER_CACHE
-DHAVE___BUILTIN_BSWAP32 -DHAVE___BUILTIN_BSWAP64 -DHAVE___BUILTIN_CLZ
-DHAVE___BUILTIN_CLZLL -DHAVE___BUILTIN_CTZ -DHAVE___BUILTIN_EXPECT
-DHAVE___BUILTIN_FFS -DHAVE___BUILTIN_FFSLL -DHAVE___BUILTIN_POPCOUNT
-DHAVE___BUILTIN_POPCOUNTLL -DHAVE___BUILTIN_UNREACHABLE
-DHAVE___BUILTIN_TYPES_COMPATIBLE_P -DHAVE_FUNC_ATTRIBUTE_CONST
-DHAVE_FUNC_ATTRIBUTE_FLATTEN -DHAVE_FUNC_ATTRIBUTE_MALLOC
-DHAVE_FUNC_ATTRIBUTE_PURE -DHAVE_FUNC_ATTRIBUTE_UNUSED
-DHAVE_FUNC_ATTRIBUTE_WARN_UNUSED_RESULT -DHAVE_FUNC_ATTRIBUTE_WEAK
-DHAVE_FUNC_ATTRIBUTE_FORMAT -DHAVE_FUNC_ATTRIBUTE_PACKED
-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL -DHAVE_FUNC_ATTRIBUTE_ALIAS
-DHAVE_FUNC_ATTRIBUTE_NORETURN -DHAVE_FUNC_ATTRIBUTE_VISIBILITY -DHAVE_UINT128
-DHAVE_REALLOCARRAY -DHAVE_FMEMOPEN -DUSE_SSE41 -DUSE_GCC_ATOMIC_BUILTINS
-DUSE_X86_64_ASM -DMAJOR_IN_SYSMACROS -DHAS_SCHED_H -DHAS_SCHED_GETAFFINITY
-DHAVE_LINUX_FUTEX_H -DHAVE_ENDIAN_H -DHAVE_DLFCN_H -DHAVE_SYS_SHM_H
-DHAVE_CET_H -DHAVE_SYS_INOTIFY_H -DHAVE_STRTOF -DHAVE_MKOSTEMP
-DHAVE_TIMESPEC_GET -DHAVE_MEMFD_CREATE -DHAVE_RANDOM_R -DHAVE_FLOCK
-DHAVE_STRTOK_R -DHAVE_GETRANDOM -DHAVE_POSIX_FALLOCATE -DHAVE_GNU_QSORT_R
-DHAVE_STRUCT_TIMESPEC -DHAVE_PROGRAM_INVOCATION_NAME -DHAVE_ISSIGNALING
-DHAVE_POSIX_MEMALIGN -DHAVE_DIRENT_D_TYPE -DHAVE_STRTOD_L -DHAVE_DLADDR
-DHAVE_DL_ITERATE_PHDR -DSUPPORT_INTEL_INTEGRATED_GPUS -DHAVE_ZLIB -DHAVE_ZSTD
-DHAVE_COMPRESSION -DHAVE_PTHREAD -DHAVE_PTHREAD_SETAFFINITY -DHAVE_LIBDRM
-DHAVE_LIBUDEV -DLLVM_AVAILABLE '-DMESA_LLVM_VERSION_STRING="14.0.6"'
-DLLVM_IS_SHARED=1 -DDRAW_LLVM_AVAILABLE -DUSE_LIBELF -DHAVE_VALGRIND
-DMESA_EXECMEM -DHAVE_LIBUNWIND -DWL_HIDE_DEPRECATED -DHAVE_OPENMP -DHAVE_DRI
-DHAVE_DRI2 -DHAVE_DRI3 -DHAVE_DRI3_MODIFIERS -DHAVE_DRISW_KMS
-DHAVE_GALLIUM_EXTRA_HUD=1 -mtls-dialect=gnu2
-Werror=implicit-function-declaration -Werror=missing-prototypes
-Werror=return-type -Werror=empty-body -Werror=incompatible-pointer-types
-Werror=int-conversion -Wimplicit-fallthrough -Wmisleading-indentation
-Wno-missing-field-initializers -Wno-format-truncation -Wno-nonnull-compare
-fno-math-errno -fno-trapping-math -fno-common -Wno-unused-function
-Werror=format -Wformat-security -ffunction-sections -fdata-sections
-Wno-unused-variable -Wno-unused-but-set-variable -save-temps -fPIC -pthread
-isystem/usr/lib/llvm-14/include -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Werror=pointer-arith -Werror=vla
-MD -MQ src/gallium/auxiliary/libgallium.a.p/draw_draw_llvm.c.o -MF
src/gallium/auxiliary/libgallium.a.p/draw_draw_llvm.c.o.d -o
src/gallium/auxiliary/libgallium.a.p/draw_draw_llvm.c.o -c
../src/gallium/auxiliary/draw/draw_llvm.c