https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #351 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- (In reply to Kazumoto Kojima from comment #344) > Created attachment 59219 [details] > a patch for c#339 > > This adds checks if the address register of the memory displacement is > general or pseudo. Tested target libgcc and libstdc++v3 build and c > testsuilte. Thanks, this patch fixes the problem for me and also doesn't introduce any new regressions although I have not tested Go yet. I am currently test-building WebKit with this GCC and it's taking quite long, so please don't be surprised that I'm taking a little longer to report back. I ran into an out-of-memory issue in the mean time, so I'll have to start from scratch with reduced debug settings.