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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Block literal example in Block language spec doesn't compile"
href="https://bugs.llvm.org/show_bug.cgi?id=37613">37613</a>
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<th>Summary</th>
<td>Block literal example in Block language spec doesn't compile
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<th>Product</th>
<td>Documentation
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>General docs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>spoon.reloaded@gmail.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>In the Clang Block language spec, section "Block Literal Expressions"
(<a href="https://clang.llvm.org/docs/BlockLanguageSpec.html#block-literal-expressions">https://clang.llvm.org/docs/BlockLanguageSpec.html#block-literal-expressions</a>),
there is an example for block literal syntax that says the following:
Given:
typedef int (*pointerToFunctionThatReturnsIntWithCharArg)(char);
pointerToFunctionThatReturnsIntWithCharArg functionPointer;
^ pointerToFunctionThatReturnsIntWithCharArg (float x) { return
functionPointer; }
and:
^ int ((*)(float x))(char) { return functionPointer; }
are equivalent expressions, [...]
However, the second example, i.e.
^ int ((*)(float x))(char) { return functionPointer; }
does not compile in Clang. It produces the error "function cannot return
function type 'int (char)'".
The following expression does compile:
^ int (*(float x))(char) { return functionPointer; }
I am not sure whether it is the intended one.</pre>
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