[Bug lto/69188] ICE when linking objects at different optimization levels with LTO and profile generation enabled.

[matt at godbolt dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69188

--- Comment #15 from Matt Godbolt <matt at godbolt dot org> ---
I just tried on GCC 6.1; same issue (lto-symtab.c:119 similarly to anthony's
snapshot build).