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Beginner
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19.1 (20.0) ICE with -check all flag

Hi

FYI and helping to avoid overhours, the following code will produce an ICE

program test
  implicit none
  real, allocatable :: r11(:,:), r22(:,:), r12(:,:), rin(:,:), rout(:,:)
  rout=matmul((r11-matmul(r12,matmul(r22,transpose(r12)))),rin)
end program test

 

when compiled with Intel's latest 19.1 compiler shipped with parallel studio 20.0

ifort -check all -O0 tmp.f90

where the culprit is "-check all". The code compiles with 17.08, 19.04 and 19.05.

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1 Reply
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Moderator
3 Views

I received a report on this

I received a report on this in Premier Support and opened a bug report.

I will post when a fix is available.

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