[llvm-bugs] [Bug 41731] New: Clang should reject blocks as kernel arguments

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=41731

            Bug ID: 41731
           Summary: Clang should reject blocks as kernel arguments
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: OpenCL
          Assignee: unassignedclangbugs at nondot.org
          Reporter: anastasia.stulova at arm.com
                CC: anastasia.stulova at arm.com, llvm-bugs at lists.llvm.org

According to the latest update in spec:

https://github.com/KhronosGroup/OpenCL-Docs/issues/54

Clang should reject the following code:
int f0(global int * i, int (^const bl)(global int * i))
{
 return bl(i);
}

int (^bl0)(global int * i) = ^(global int * i){ return *i * 2; };

kernel void f1(global int * i) {
 int (^const bl1)(global int * i) = ^(global int * i){ return *i + 1; };
 *i = f0(i, bl0);
 *i = f0(i, bl1);
}

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