[Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams

[mpolacek at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126017

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Where -fdump-ipa-lto-stream-out shows:

Outputting global stream:
 1:  <var_decl 0x7f832c1b3000 r>
    Streaming tree  <var_decl 0x7f832c1b3000 r>
     Streaming single tree
      Streaming header of  <identifier_node 0x7f832c1a7d80 decltype(^^int)>  to
decls
      Streaming body of  <identifier_node 0x7f832c1a7d80 decltype(^^int)>  to
decls
     3 bytes
     Streaming single tree
      Streaming integer  <integer_cst 0x7f832c01b348 8>
     4 bytes
     Streaming single tree
      Streaming integer  <integer_cst 0x7f832c01b330 64> 
     5 bytes
     Start of LTO_tree_scc of size 2
      Streaming header of  <type_decl 0x7f832c1ae3c0 decltype(^^int)>  to decls