[flang][AArch64] Always link compiler-rt to flang after libgcc (#144710) This patch fixes an issue where the __trampoline_setup symbol is missing with some programs compiled with flang. This symbol is present only in compiler-rt and not in libgcc. This patch adds compiler-rt to the link line after libgcc if libgcc is being used, so that only this symbol will be picked from compiler-rt. Fixes #141147
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