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The code attached below causes an ICE using
ifx (IFX) 2025.3.2 20260112
Copyright (C) 1985-2026 Intel Corporation. All rights reserved.
Compiler output:
ifx -free -stand f18 -fiopenmp -fopenmp-targets=spir64 -fopenmp-target-do-concurrent -O3 -fp-model=precise mre2.F90
#0 0x00005564ca16ca41
#1 0x00005564ca1d2f87
#2 0x00005564ca1d30b5
#3 0x00007f744d2a9d00
#4 0x00005564c918db48
#5 0x00005564cab44930
#6 0x00005564cab446d8
#7 0x00005564cab2f3f6
#8 0x00005564cab7a0be
#9 0x00005564cab78adc
#10 0x00005564cab77064
#11 0x00005564cab3629f
#12 0x00005564cab32c3c
#13 0x00005564cab32707
#14 0x00005564cab329cd
#15 0x00005564cab7a3c1
#16 0x00005564cab78adc
#17 0x00005564cab77064
#18 0x00005564cab3629f
#19 0x00005564cab32c3c
#20 0x00005564cab32707
#21 0x00005564cab7a5c2
#22 0x00005564cab7990d
#23 0x00005564cab78adc
#24 0x00005564cab77064
#25 0x00005564cab3629f
#26 0x00005564cab32c3c
#27 0x00005564cab32707
#28 0x00005564cab32401
#29 0x00005564cab74f08
#30 0x00005564cab79b95
#31 0x00005564cab78adc
#32 0x00005564cab77064
#33 0x00005564cab3629f
#34 0x00005564cab32c3c
#35 0x00005564cab32707
#36 0x00005564cab7a5c2
#37 0x00005564cab7992c
#38 0x00005564cab78adc
#39 0x00005564cab77064
#40 0x00005564cab3629f
#41 0x00005564cab32c3c
#42 0x00005564cab32707
#43 0x00005564cab32401
#44 0x00005564cab74f08
#45 0x00005564cab90e9b
#46 0x00005564cab8fc2e
#47 0x00005564cab3629f
#48 0x00005564cab33bcc
#49 0x00005564cab33930
#50 0x00005564cab3347a
#51 0x00005564cab333c2
#52 0x00005564cab36279
#53 0x00005564cabbd416
#54 0x00005564caba6a54
#55 0x00005564cabc1f19
#56 0x00005564cabbef27
#57 0x00005564caba6fa3
#58 0x00005564c9906b59
#59 0x00005564c99062b1
#60 0x00005564c9295d20
#61 0x00005564ca10843b
#62 0x00005564ca105c9f
#63 0x00005564ca0add68
#64 0x00005564ca2943cf
#65 0x00007f744d29424d __libc_start_main + 239
#66 0x00005564c9ee523e
/tmp/ifx2007452938Eb2oyG/ifxsc4RFI.i90: error #5633: **Internal compiler error: segmentation violation signal raised** Please report this error along with the circumstances in which it occurred in a Software Problem Report. Note: File and line given may not be explicit cause of this error.
compilation aborted for mre2.F90 (code 3)
Workaround is using associate(...) or hoisting the derived types into a flat impl. I believe the derived type allocatable should work inside the do concurrent. It does on amdflang and nvfortran. This was tested on Aurora. I don't have access to newer Intel IFX toolchains and Intel GPUs. Sorry!
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