[Bug target/85436] New: [7 Regression] ICE compiling go code with -mcpu=power9

[acsawdey at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85436

            Bug ID: 85436
           Summary: [7 Regression] ICE compiling go code with -mcpu=power9
           Product: gcc
           Version: 7.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: acsawdey at gcc dot gnu.org
                CC: bergner at gcc dot gnu.org, segher at gcc dot gnu.org,
                    wschmidt at gcc dot gnu.org
  Target Milestone: ---
            Target: powerpc64le-linux-gnu

Created attachment 43964
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43964&action=edit
reduced test case

To reproduce:

Build gcc-7-branch using:

configure --disable-bootstrap --enable-languages=c,c++,go
--with-long-double-128 --enable-secureplt --disable-multilib --without-ppl
--without-cloog --without-libelf

gcc/gccgo -Bgcc -O3 -Lpowerpc64le-linux-gnu/libgo -S bug_reduced.go
-mcpu=power9

This affects 259009 through the head of the gcc-7-branch.