Add missing `operator!=` and make `operator-` const for `EHABISectionIterator`. This repairs the build of libunwind when building with GCC. Patch by Chad Duffin! Reviewed By: compnerd, libunwind Differential Revision: https://reviews.llvm.org/D81597
Add missing `operator!=` and make `operator-` const for `EHABISectionIterator`. This repairs the build of libunwind when building with GCC. Patch by Chad Duffin! Reviewed By: compnerd, libunwind Differential Revision: https://reviews.llvm.org/D81597