[Bug rtl-optimization/89490] [9 Regression] char array constant put in string merge section

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89490

--- Comment #18 from Alan Modra <amodra at gmail dot com> ---
The assertion triggered in multiple places when compiling various libgcc2.c
pieces, and dfp-bit.c.