https://bugs.llvm.org/show_bug.cgi?id=37013
Bug ID: 37013
Summary: clang -x cuda fails in some templates on >>>
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: CUDA
Assignee: unassignedclangb...@nondot.org
Reporter: a.hu...@hzdr.de
CC: llvm-bugs@lists.llvm.org
Compiling C++11 template code with `>>>` fails in some cases as soon as `-x
cuda` is used.
Although `>>>` should be valid in C++11, they might be mismatched here with
CUDA kernel arguments.
Environment:
clang version 7.0.0 (https://git.llvm.org/git/clang.git/
780143bbd516aa39d754e5cab50955321b71fba0) (https://git.llvm.org/git/llvm.git/
bef5f248b85fb47702bd94a11276728a4cb4689f)
nvcc 8.0.44
It would be great if closing multiple nested template arguments in such manner
works with the CUDA frontend as well.
Reproducer: Issue first seen with Boost.mp11 (1.66.0) with minimal example:
#include <boost/mp11.hpp>
int main() {}
Compiled with
clang++ -std=c++11 -x cuda main.cpp --cuda-path=$CUDA_ROOT
-I$BOOST_ROOT/include
https://github.com/ComputationalRadiationPhysics/alpaka/issues/459
We could not boil it down to a non-mp11 code snippet yet, maybe it's related to
the heavy use of variadic template arguments in combination with `>>>` ?
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