[Bug tree-optimization/121962] [16 regression] OOM when buiding clang-19.1.7

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121962

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 62387
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62387&action=edit
RecordLayoutBuilder.cpp.ii.xz

# reasonable (?)
$ time g++-15 -c
./lib/AST/CMakeFiles/obj.clangAST.dir/RecordLayoutBuilder.cpp.ii -m32 -O1

real    0m7.312s
user    0m7.041s
sys     0m0.229s

# hangs
$ time g++ -c ./lib/AST/CMakeFiles/obj.clangAST.dir/RecordLayoutBuilder.cpp.ii
-m32 -O1

real    0m7.312s
user    0m7.041s
sys     0m0.229s