https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69607
Bug ID: 69607
Summary: undefined reference to MAIN__._omp_fn.0 in
atomic_capture-1.f with -flto
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgomp
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
With compiler configured for nvptx offloading, and libgomp run with -flto, we
run into:
...
FAIL: libgomp.oacc-fortran/atomic_capture-1.f90 -DACC_DEVICE_TYPE_nvidia=1
-DACC_MEM_SHARED=0 -foffload=nvptx-none -O0 (test for excess errors)
FAIL: libgomp.oacc-fortran/atomic_capture-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O0 (test for excess errors)
...
In more detail:
...
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0xf8): undefined reference
to `MAIN__._omp_fn.21'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x100): undefined reference
to `MAIN__._omp_fn.20'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x108): undefined reference
to `MAIN__._omp_fn.19'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x110): undefined reference
to `MAIN__._omp_fn.18'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x118): undefined reference
to `MAIN__._omp_fn.17'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x120): undefined reference
to `MAIN__._omp_fn.16'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x128): undefined reference
to `MAIN__._omp_fn.15'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x130): undefined reference
to `MAIN__._omp_fn.14'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x138): undefined reference
to `MAIN__._omp_fn.13'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x140): undefined reference
to `MAIN__._omp_fn.12'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x148): undefined reference
to `MAIN__._omp_fn.11'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x150): undefined reference
to `MAIN__._omp_fn.10'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x158): undefined reference
to `MAIN__._omp_fn.9'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x160): undefined reference
to `MAIN__._omp_fn.8'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x168): undefined reference
to `MAIN__._omp_fn.7'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x170): undefined reference
to `MAIN__._omp_fn.6'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x178): undefined reference
to `MAIN__._omp_fn.5'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x180): undefined reference
to `MAIN__._omp_fn.4'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x188): undefined reference
to `MAIN__._omp_fn.3'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x190): undefined reference
to `MAIN__._omp_fn.2'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x198): undefined reference
to `MAIN__._omp_fn.1'^M
/tmp/ccE4Tp7i.ltrans0.ltrans.o:(.gnu.offload_funcs+0x1a0): undefined reference
to `MAIN__._omp_fn.0'^M
collect2: error: ld returned 1 exit status^M
...
