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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Address space cast involving blocks missing from AST"
href="https://bugs.llvm.org/show_bug.cgi?id=42597">42597</a>
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<th>Summary</th>
<td>Address space cast involving blocks missing from AST
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>OpenCL
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>marco.antognini@arm.com
</td>
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<th>CC</th>
<td>anastasia.stulova@arm.com, llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>typedef int (^block_ty)(void);
__global block_ty block0 = ^{ return 0; };
kernel void test(void) {
int x = ((__local block_ty) block0)(); // FIXME The AS cast is missing from
the AST, plus Clang crashes.
}
The above crashes:
llvm/include/llvm/Support/Casting.h:105: static bool llvm::isa_impl_cl<To,
const From*>::doit(const From*) [with To = clang::ParmVarDecl; From =
clang::Decl]: Assertion `Val && "isa<> used on a null pointer"' failed.
The crash originated from clang::CodeGen::CodeGenFunction::EmitBlockCallExpr.</pre>
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