[LLD][ARM] Allow R_ARM_SBREL32 relocations in debug info (#116956) The R_ARM_SBREL32 relocation is used in debug info for ARM RWPI (read-write position independent) code. Compiler-generated DWARF info will use an expression to add the relocated value to the actual value of the static base (held in r9) at run-time, so it should be relocated as if the static base is at address 0.
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