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