https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96354
--- Comment #2 from Tiziano Müller ---
(In reply to Martin Liška from comment #1)
> Can you please provide steps how to build the project? I can reproduce it
> locally then.
Of course! :)
After unpacking you don't even have to configure it, simply doing the following
is enough. Note: it is only with the combination '-O2', '-g', '-fopenmp',
leaving away any one of them makes it build.
$ cd plumed-2.6.1/src/tools
$ c++ --version
c++ (GCC) 10.2.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ c++ -I.. -c -O2 -g -std=c++11 -fopenmp RMSD.cpp -o RMSD.o
during IPA pass: inline
RMSD.cpp: In member function ‘void
PLMD::RMSDCoreData::doCoreCalcWithCloseStructure(bool, bool, PLMD::Tensor&,
PLMD::Tensor&, std::array, 3>, 3>&)’:
RMSD.cpp:1134:6: internal compiler error: in maybe_canonicalize_mem_ref_addr,
at gimple-fold.c:4903
1134 | void RMSDCoreData::doCoreCalcWithCloseStructure(bool safe,bool alEqDis,
Tensor & rotationPosClose, Tensor & rotationRefClose,
std::array,3> & drotationPosCloseDrr01) {
| ^~~~
0xa1bdac maybe_canonicalize_mem_ref_addr
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/gimple-fold.c:4903
0xa20553 fold_stmt_1
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/gimple-fold.c:5058
0xd26380 fold_marked_statements
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/tree-inline.c:5342
0xd332b5 optimize_inline_calls(tree_node*)
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/tree-inline.c:5448
0xac9f9e inline_transform(cgraph_node*)
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/ipa-inline-transform.c:736
0xbf187e execute_one_ipa_transform_pass
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/passes.c:2233
0xbf187e execute_all_ipa_transforms(bool)
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/passes.c:2272
0x8dfdc4 cgraph_node::expand()
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/cgraphunit.c:2293
0x8e117d expand_all_functions
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/cgraphunit.c:2471
0x8e117d symbol_table::compile()
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/cgraphunit.c:2822
0x8e325c symbol_table::finalize_compilation_unit()
/data/tiziano/cp2k/tools/toolchain/build/gcc-10.2.0/gcc/cgraphunit.c:3002
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