System information (version)

• OpenCV : 4.0.1
• Operating System / Platform : Opensuse15
• Compiler => gcc (SUSE Linux) 7.3.1 20180323 [gcc-7-branch revision 258812]

Detailed description

When updating my codebase from OpenCV 3.2.0 to OpenCV 4.0.1, i see an opencv error (cannot allocate memory) while trying to calibrate cameras with some big input matrices while it wasn't reporting any error on previous version.

error: (-4:Insufficient memory) Failed to allocate 224616847152 bytes in function 'OutOfMemoryError'

Steps to reproduce

Call cv::calibrateCamera with a total number of objectPoints greater than 300,000 .