fpm test with ifx compiler fails

[fluidnumerics-joe]

When testing feq-parse with fpm and the ifx compilers (Intel OneAPI Fortran compiler), the library is built fine, but the tests fail with the following output :

[100%] Project compiled successfully.
==142949==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x1cae1c7 in feqparse_MP_evaluate_r1fp32_ /home/joe/apps/feq-parse/././src/FEQParse.F90:626:22
    #1 0x4b2e61 in test_IP_abs_r1fp32_ /home/joe/apps/feq-parse/test/abs_r1fp32.f90:31:11
    #2 0x49570a in MAIN__ /home/joe/apps/feq-parse/test/test.f90:8:32
    #3 0x40bdc8 in main (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x40bdc8) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #4 0x7f9161829d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #5 0x7f9161829e3f in __libc_start_main csu/../csu/libc-start.c:392:3
    #6 0x40bc94 in _start (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x40bc94) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)

  Uninitialized value was stored to memory at
    #0 0x41251e in __msan_memcpy (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x41251e) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #1 0x1cae16e in feqparse_MP_evaluate_r1fp32_ /home/joe/apps/feq-parse/././src/FEQParse.F90:624:9
    #2 0x4b2e61 in test_IP_abs_r1fp32_ /home/joe/apps/feq-parse/test/abs_r1fp32.f90:31:11
    #3 0x49570a in MAIN__ /home/joe/apps/feq-parse/test/test.f90:8:32
    #4 0x40bdc8 in main (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x40bdc8) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #5 0x7f9161829d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16

  Uninitialized value was stored to memory at
    #0 0x1c48597 in feqparse_tokenstack_MP_equals_token_ /home/joe/apps/feq-parse/././src/FEQParse_TokenStack.F90:119:5
    #1 0x1cae156 in feqparse_MP_evaluate_r1fp32_ /home/joe/apps/feq-parse/././src/FEQParse.F90:624:13
    #2 0x4b2e61 in test_IP_abs_r1fp32_ /home/joe/apps/feq-parse/test/abs_r1fp32.f90:31:11
    #3 0x49570a in MAIN__ /home/joe/apps/feq-parse/test/test.f90:8:32
    #4 0x40bdc8 in main (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x40bdc8) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #5 0x7f9161829d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16

  Uninitialized value was created by a heap allocation
    #0 0x4196a6 in malloc (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x4196a6) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #1 0x1ef6354 in _mm_malloc (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x1ef6354) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #2 0x1e77ee3 in do_alloc_copy for_alloc_copy.c
    #3 0x1e79770 in do_alloc_copy for_alloc_copy.c
    #4 0x1e79770 in do_alloc_copy for_alloc_copy.c
    #5 0x1e7a2e6 in do_alloc_assign for_alloc_copy.c
    #6 0x1e7a38e in for_alloc_assign_v2 (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x1e7a38e) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #7 0x4b0d86 in test_IP_abs_r1fp32_ /home/joe/apps/feq-parse/test/abs_r1fp32.f90:22:3
    #8 0x49570a in MAIN__ /home/joe/apps/feq-parse/test/test.f90:8:32
    #9 0x40bdc8 in main (/home/joe/apps/feq-parse/build/ifx_22B6DB2C5432A52F/test/test+0x40bdc8) (BuildId: 272f7830ff877cb06dbd47b919083d5eb9c71d91)
    #10 0x7f9161829d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16

SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/joe/apps/feq-parse/././src/FEQParse.F90:626:22 in feqparse_MP_evaluate_r1fp32_
Exiting
<ERROR> Execution for object " test " returned exit code  1
<ERROR> *cmd_run*:stopping due to failed executions
STOP 1

However, the ifx compilers build and test fine with the CMake build system

[fluidnumerics-joe]

Thanks to Ivan Pribec for pointing this out on fortran-lang discourse : https://fortran-lang.discourse.group/t/use-of-uninitialized-value-warning-with-check-all-option-of-ifx/6823/3