Top linux issues

-Wuninitialized in drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c

-Wuninitialized [ARCH] x86_64 [BUG] linux [FIXED][LINUX] 5.1

-Wsometimes-uninitialized in arch/arm64/include/asm/percpu.h

[ARCH] arm64 [BUG] linux [FIXED][LINUX] 4.20

-Wvarargs in drivers/net/can/usb/peak_usb/pcan_usb_pro.c

-Wvarargs [BUG] linux [FIXED][LINUX] 5.1

-Wconstant-conversion in drivers/media/firewire/firedtv-avc.c

-Wconstant-conversion [BUG] linux [FIXED][LINUX] 5.0

Clang doesn't support -mno-save-restore

[ARCH] risc-v [BUG] llvm [FIXED][LLVM] 9

CONFIG_CPU_BIG_ENDIAN=y linker failure

[ARCH] arm64 [BUG] llvm [FIXED][LLVM] 8

Malformed linker script: vmlinux.lds

[ARCH] x86_64 [BUG] linux [FIXED][LINUX] 5.1 [TOOL] lld

missing gcov support

[BUG] linux [FIXED][LINUX] 5.2

clang validates extended assembly constraints even when -fno-integrated-as is set

[ARCH] x86 [BUG] llvm known difference wontfix