[Bug middle-end/86979] [9 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2348 with -m32 on darwin

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86979

--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Created attachment 45203
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45203&action=edit
auto-host.h

> Any particular tuning option (what -march/-mtune is the default)?

Target: x86_64-apple-darwin18.2.0
Configured with: ../work/configure --prefix=/opt/gcc/gcc9w
--enable-languages=c,c++,fortran,objc,obj-c++,ada,lto --with-gmp=/opt/mp-new
--with-system-zlib --with-isl=/opt/mp-new --enable-lto --enable-plugin
--with-arch=corei7 --with-cpu=corei7
--with-sysroot=/Applications/Xcode-6.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk

> Can you attach your auto-host.h?

auto-host.h attached.