Hi! As can be seen under valgrind, the testcase didn't bind in the last part the fortran pointers properly to the c pointers.
Tested on x86_64-linux, committed to trunk. 2021-04-14 Jakub Jelinek <ja...@redhat.com> PR testsuite/100071 * testsuite/libgomp.fortran/alloc-1.F90: Call c_f_pointer after last cp = omp_alloc with cp, p arguments instead of cq, q and call c_f_pointer after last cq = omp_alloc with cq, q. --- libgomp/testsuite/libgomp.fortran/alloc-1.F90.jj 2020-07-18 00:05:57.245601544 +0200 +++ libgomp/testsuite/libgomp.fortran/alloc-1.F90 2021-04-14 10:35:19.425186364 +0200 @@ -155,12 +155,13 @@ cp = omp_alloc (ONEoFIVE, & & omp_null_allocator) if (mod (transfer (cp, intptr), 32_c_intptr_t) /= 0) stop 17 - call c_f_pointer (cq, q, [ONEoFIVE & + call c_f_pointer (cp, p, [ONEoFIVE & & / c_sizeof (i)]) p(1) = 5 p(ONEoFIVE / c_sizeof (i)) = 6 cq = omp_alloc (768_c_size_t, omp_null_allocator) if (mod (transfer (cq, intptr), 128_c_intptr_t) /= 0) stop 18 + call c_f_pointer (cq, q, [768 / c_sizeof (i)]) q(1) = 7 q(768 / c_sizeof (i)) = 8 if (c_associated (omp_alloc (768_c_size_t, omp_null_allocator))) & Jakub