lld doesn't support TLSDESC (-mtls-dialect=gnu2) for arm #155215
Description
lld does not support TLSDESC (-mtls-dialect=gnu2) for arm. We are currently looking to make -mtls-dialect=gnu2 the default for x86 in GCC. ARM may follow depending on how that goes.
extern __thread int tlsdesc;
int get(void) { return tlsdesc; }$ gcc a.c -shared -fuse-ld=lld -mtls-dialect=gnu2 -fPIC
ld.lld: error: /tmp/ccvULiJP.o:(function get: .text+0xc): unknown relocation (91) against symbol tlsdesc
ld.lld: error: internal linker error: cannot read addend for relocation R_ARM_TLS_CALL
ld.lld: error: /tmp/ccvULiJP.o:(function get: .text+0x24): unknown relocation (90) against symbol tlsdesc
ld.lld: error: internal linker error: cannot read addend for relocation R_ARM_TLS_GOTDESC
collect2: error: ld returned 1 exit status