在 2022/8/24 下午10:03, Xi Ruoyao 写道:
> SYMBOL_REF_TLS_MODEL invokes SYMBOL_REF_FLAGS, and SYMBOL_REF_FLAGS
> invokes RTL_FLAG_CHECK1 and aborts when RTL code is not SYMBOL_REF.
>
> r13-1833 removed "gcc_assert (SYMBOL_REF_P (x))" before invoking
> "SYMBOL_REF_TLS_MODEL (x)", indicating that it's now possible that "x"
> is not a SYMBOL_REF.  So we need to check if "x" is SYMBOL_REF first.
>
> This fixes a test failure happening with r13-2173:
>
>      pr106096.C:26:1: internal compiler error: RTL flag check:
>      SYMBOL_REF_FLAGS used with unexpected rtx code 'const' in
>      loongarch_classify_symbol


I think there is no problem with the code modification, but I have not 
detected this ICE.