https://llvm.org/bugs/show_bug.cgi?id=26481
Bug ID: 26481
Summary: CUDA __global__ lambdas shouldn't be allowed to
capture by reference
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: justin.le...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
The following CUDA code should be an error, as __global__ lambdas aren't
allowed to capture variables by reference.
void foo() {
int v;
auto x = [&v] () __global__ { };
}
Today it's a different error:
test.cu:3:17: error: kernel function type '<dependent type> () const' must have
void return type
auto x = [&v] () __global__ { };
We get this error with or without a capture-by-reference, but that's a separate
issue.
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