Compiler crash report

As instructed, here the comment at the start of the crash report file, with the full crash report attached at: ex1.sacbugreport.

/********************************************************************** *

SAC bug report: ex1.sacbugreport

Automatically generated on Thu 06 Feb 2025 11:18:36 AM CET
using sac2c 1.3.3-MijasCosta-1289-g7f67b0
built 2025-01-26T07:48:51.
by user on host runner-qipqeg7c-project-39-concurrent-2.
The compiler was called by
sac2c -check tc ex1.sac *rshp = shp2
The compiler crashed in
phase: popt (Preparing for code optimization)
sub phase: icc (Inserting Conformity Checks)
What follows is the contents of ex1.sac.

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