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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - -Xclang -emit-llvm -save-temps tries to parse bitcode as cpp-output, fails"
href="https://bugs.llvm.org/show_bug.cgi?id=49234">49234</a>
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<th>Summary</th>
<td>-Xclang -emit-llvm -save-temps tries to parse bitcode as cpp-output, fails
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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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>Frontend
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>jonathanchesterfield@gmail.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>E.g. <a href="https://godbolt.org/z/WWoKeb">https://godbolt.org/z/WWoKeb</a>
-Xclang -emit-llvm is passed to the preprocessor invocation, which writes IR
instead of annotated c++. clang -x cpp-output fails to parse IR, error:
expected ';' after top level declarator
Similarly with -Xclang -emit-llvm-bc -save-temps, <a href="https://godbolt.org/z/3zErf7">https://godbolt.org/z/3zErf7</a>,
which rejects 'BC<C0><DE>5<U+0014><U+0000>...' as not being valid UTF-8.
I would guess the fix for this is similar to however -emit-llvm is handled,
since -emit-llvm -save-temps works. -### suggests the -emit-llvm clause is
removed for the preprocessor invocation.</pre>
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</p>
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