https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81175
Bug ID: 81175 Summary: During the compilation of a program gfortran makes "internal compiler error: Segmentation fault" Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: nosk...@uni-mainz.de Target Milestone: --- Created attachment 41611 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41611&action=edit Archive with the source file(fortran), Makefile, compilation output and the assembly output file During the compilation of a program gfortran makes "internal compiler error: Segmentation fault" It is jast normal fortran program, that can be compiled without any problems with the older versions of gcc. It hapens on AMD Ryzen 7 1800X Eight-Core Processor Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz it does not hapen on Intel(R) Xeon Phi(TM) CPU 7210 @ 1.30GHz If the option "-fno-unsafe-math-optimizations" is added, everything is fine, no segmentation fault occurs.