[Bug target/41055] libgcc functions and -mregparm don't work well together

[hpa at zytor dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41055

--- Comment #6 from H. Peter Anvin <hpa at zytor dot com> ---
Created attachment 45860
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45860&action=edit
Test case (preprocessed)