http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59557
Bug ID: 59557 Summary: [4.8/4.9 Regression] Product: gcc Version: 4.8.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Created attachment 31479 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31479&action=edit testcase A libstdc++ change between r202388 and the 4.8.2 release broke Eigen. Preprocessing the attached testcase with 4.8.2 and then compiling with -O0 gives > ./a.out Brute force distance = 0.00428018, calls = 10000 Segmentation fault while preprocessing with 4.8.1 gets the correct > ./a.out Brute force distance = 0.00428018, calls = 10000 BVH distance = 0.00428018, calls = 756