Regression: Intel Fortran 2025.1 aborting with error #5633: **Internal compiler error

geir · ‎11-21-2025

I have a test case where ifx 2025.1.1 is aborting with "error #5633: **Internal compiler error". This is a Linux system (both SLES and RHel fail). This is a REGRESSION, as ifx 2025.0.0. and earlier compilers are able to compile the test without a failure. I have attached the reduced test case. Here is the error output:

$ ifx --version

ifx (IFX) 2025.1.1 20250418

$ ifx -c cmp.F90

#0 0x00000000033106d1

#1 0x00000000033754d7

#2 0x0000000003375605

#3 0x00007fa74ef1d900

#4 0x00000000028a37d1

#5 0x00000000028a35f7

#6 0x000000000227194f

#7 0x00000000028a21bd

#8 0x00000000028a0c2c

#9 0x00000000028a27dc

#10 0x00000000028a5dc2

#11 0x00000000028a66d1

#12 0x00000000028a5800

#13 0x00000000028a5ff8

#14 0x00000000028a6e1c

#15 0x00000000024f8995

#16 0x00000000024f8201

#17 0x00000000024f1f38

#18 0x00000000024f1c71

#19 0x000000000252cd65

#20 0x000000000252cb41

#21 0x00000000024f743a

#22 0x00000000032ae3da

#23 0x00000000032abf23

#24 0x0000000003256251

#25 0x0000000003433c98

#26 0x00007fa74ef06e6c

#27 0x00007fa74ef06f35 __libc_start_main + 135

#28 0x000000000308f34e

/tmp/ifx1281730237bYOBQW/ifx3AxWPF.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 cmp.F90 (code 3)

$

-------------------------

Here is ifx 2025.0.0 able to successfully compile the program:

$ ifx --version

ifx (IFX) 2025.0.0 20241008

$ifx -c cmp.F90

$ ls -l cmp.o

-rw-r--r-- 1 geir compiler 45576 Nov 21 15:01 cmp.o

$

JFH · ‎11-21-2025

In my Ubuntu system that code compiled OK with ifx 2025.3.0 20251010.

geir · ‎11-24-2025

Thank you very much! Did you happen to see if it failed use Intel 2025.1?