fortran: Add testcases for PR120152, PR120153 and PR120158

fortran: Add testcases for PR120152, PR120153 and PR120158

The following patch adds testcase coverage for the 3 recently fixed
libgfortran PRs.
On trunk before those fixes I'm getting with -m32
FAIL: gfortran.dg/pr120152_1.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/pr120152_1.f90   -Os  (test for excess errors)
and with -m64
FAIL: gfortran.dg/pr120152_1.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/pr120152_1.f90   -Os  (test for excess errors)
FAIL: gfortran.dg/pr120152_2.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/pr120152_2.f90   -Os  (test for excess errors)
FAIL: gfortran.dg/pr120153.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/pr120153.f90   -O1  (test for excess errors)
FAIL: gfortran.dg/pr120153.f90   -O2  (test for excess errors)
FAIL: gfortran.dg/pr120153.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gfortran.dg/pr120153.f90   -O3 -g  (test for excess errors)
FAIL: gfortran.dg/pr120153.f90   -Os  (test for excess errors)
FAIL: gfortran.dg/pr120158.f90   -O0  execution test
FAIL: gfortran.dg/pr120158.f90   -O1  execution test
FAIL: gfortran.dg/pr120158.f90   -O2  execution test
FAIL: gfortran.dg/pr120158.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/pr120158.f90   -O3 -g  execution test
FAIL: gfortran.dg/pr120158.f90   -Os  execution test
On latest trunk everything PASSes.

2025-05-08  Jakub Jelinek  <jakub@redhat.com>

	PR libfortran/120152
	PR libfortran/120153
	PR libfortran/120158
	* gfortran.dg/pr120152_1.f90: New test.
	* gfortran.dg/pr120152_2.f90: New test.
	* gfortran.dg/pr120153.f90: New test.
	* gfortran.dg/pr120158.f90: New test.