https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66563
--- Comment #58 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- Oh, and according to the Debian changelog, it must be a regression that was introduced somewhere between r218987 and r222750 of the gcc-4.9 branch. Currently, the buildds did not build any snapshot version between those two revisions unfortunately, but I can just do more test builds to narrow down the revision range where we need to look for the change that introduced the regression. Adrian