[Bug c++/60249] [c++11] Compiler goes into semi-infinite loop with wrong usage of user defined string literals

[3dw4rd at verizon dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60249

--- Comment #7 from Ed Smith-Rowland <3dw4rd at verizon dot net> ---
Created attachment 33026
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33026&action=edit
patch_from_hell