https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101484
Bug ID: 101484
Summary: [12 Regression] trunk 20210717 ftbfs for amdgcn-amdhsa
(gcn offload)
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at debian dot org
Target Milestone: ---
trunk 20210717 ftbfs the gcn offload compiler (using a just built 20210717
trunk build):
configuration complains about:
checking assembler for working .subsection -1...
/packages/gcc/snap/gcc-snapshot-20210717/bin-gcn/nm: error: conftest.o The fil
e was not recognized as a valid object file
/packages/gcc/snap/gcc-snapshot-20210717/bin-gcn/nm: error: conftest.o The file
was not recognized as a valid object file
no
The linker tools point to the ones provided by LLVM 9.
Later then:
libtool: compile:
/packages/gcc/snap/gcc-snapshot-20210717/build-gcn/./gcc/gfortran
-B/packages/gcc/snap/gcc-snapshot-20210717
/build-gcn/./gcc/ -nostdinc
-B/packages/gcc/snap/gcc-snapshot-20210717/build-gcn/amdgcn-amdhsa/newlib/
-isystem /packages/gcc/s
nap/gcc-snapshot-20210717/build-gcn/amdgcn-amdhsa/newlib/targ-include -isystem
/packages/gcc/snap/gcc-snapshot-20210717/src-gcn
/newlib/libc/include -B/usr/lib/gcc-snapshot/amdgcn-amdhsa/bin/
-B/usr/lib/gcc-snapshot/amdgcn-amdhsa/lib/ -isystem /usr/lib/gc
c-snapshot/amdgcn-amdhsa/include -isystem
/usr/lib/gcc-snapshot/amdgcn-amdhsa/sys-include -L. -Wall -L../libgfortran -c
../../.
./src-gcn/libgomp/config/accel/openacc.f90 -o openacc.o
In file included from ../../../src-gcn/libgomp/barrier.c:28:
In function 'gcn_thrs',
inlined from 'gomp_thread' at ../../../src-gcn/libgomp/libgomp.h:803:10,
inlined from 'GOMP_barrier' at ../../../src-gcn/libgomp/barrier.c:34:29:
../../../src-gcn/libgomp/libgomp.h:792:10: error: array subscript 0 is outside
array bounds of '__lds struct gomp_thread * __lds[0]' [-Werror=array-bounds]
792 | return *thrs;
| ^~~~~
