https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105745
--- Comment #2 from Christoph Reiter <reiter.christoph at gmail dot com> --- For "#pragma omp parallel for if (0)": #0 0x00007ffacdeac6b3 in ntdll!RtlIsZeroMemory () from C:\WINDOWS\SYSTEM32\ntdll.dll #1 0x00007ffacdeb5512 in ntdll!.misaligned_access () from C:\WINDOWS\SYSTEM32\ntdll.dll #2 0x00007ffacdeb57fa in ntdll!.misaligned_access () from C:\WINDOWS\SYSTEM32\ntdll.dll #3 0x00007ffacdebfce5 in ntdll!.misaligned_access () from C:\WINDOWS\SYSTEM32\ntdll.dll #4 0x00007ffacddc8715 in ntdll!RtlGetCurrentServiceSessionId () from C:\WINDOWS\SYSTEM32\ntdll.dll #5 0x00007ffacddc79e1 in ntdll!RtlFreeHeap () from C:\WINDOWS\SYSTEM32\ntdll.dll #6 0x00007ffacb4e218b in ucrtbase!_free_base () from C:\WINDOWS\System32\ucrtbase.dll #7 0x00007ffa7fd3eab6 in free_team (team=team@entry=0x25d609d0fc0) at ../../../gcc-12.1.0/libgomp/team.c:237 #8 0x00007ffa7fd3ff8a in gomp_team_end () at ../../../gcc-12.1.0/libgomp/team.c:1005 #9 0x00007ffa7fd3899e in GOMP_parallel_end () at ../../../gcc-12.1.0/libgomp/parallel.c:167 #10 0x00007ffa7fd38a73 in GOMP_parallel ( fn=fn@entry=0x7ff707941530 <main._omp_fn.0(void)>, data=data@entry=0x0, num_threads=num_threads@entry=1, flags=flags@entry=0) at ../../../gcc-12.1.0/libgomp/parallel.c:179 #11 0x00007ff707941584 in main () at myTest.cpp:2 For "#pragma omp for schedule(dynamic)" #0 0x00007ffacdeac6b3 in ntdll!RtlIsZeroMemory () from C:\WINDOWS\SYSTEM32\ntdll.dll #1 0x00007ffacdeb5512 in ntdll!.misaligned_access () from C:\WINDOWS\SYSTEM32\ntdll.dll #2 0x00007ffacdeb57fa in ntdll!.misaligned_access () from C:\WINDOWS\SYSTEM32\ntdll.dll #3 0x00007ffacdebfce5 in ntdll!.misaligned_access () from C:\WINDOWS\SYSTEM32\ntdll.dll #4 0x00007ffacddc8715 in ntdll!RtlGetCurrentServiceSessionId () from C:\WINDOWS\SYSTEM32\ntdll.dll #5 0x00007ffacddc79e1 in ntdll!RtlFreeHeap () from C:\WINDOWS\SYSTEM32\ntdll.dll #6 0x00007ffacb4e218b in ucrtbase!_free_base () from C:\WINDOWS\System32\ucrtbase.dll #7 0x00007ffa7eae050e in free_work_share (team=team@entry=0x0, ws=0x2b6040a8480) at ../../../gcc-12.1.0/libgomp/work.c:159 #8 0x00007ffa7eae0682 in gomp_work_share_end () at ../../../gcc-12.1.0/libgomp/work.c:238 #9 0x00007ffa7ead68b4 in GOMP_loop_end () at ../../../gcc-12.1.0/libgomp/loop.c:958 #10 0x00007ff6b18f1593 in main () at myTest.cpp:3