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When mangling a synthetic function declaration, we might not have

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type-source information for its parameters.  Don't crash when
mangling them in the MS C++ ABI.  Patch by Timur Iskhodzhanov!

llvm-svn: 155879
This commit is contained in:
John McCall
2012-05-01 02:33:44 +00:00
parent d37a0c0944
commit 23dfaa1cef
2 changed files with 23 additions and 5 deletions
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14
clang/lib/AST/MicrosoftMangle.cpp
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@@ -763,12 +763,16 @@ void MicrosoftCXXNameMangler::mangleType(const FunctionType *T,
Out << 'X';
} else {
if (D) {
// If we got a decl, use the "types-as-written" to make sure arrays
// get mangled right.
// If we got a decl, use the type-as-written to make sure arrays
// get mangled right. Note that we can't rely on the TSI
// existing if (for example) the parameter was synthesized.
for (FunctionDecl::param_const_iterator Parm = D->param_begin(),
ParmEnd = D->param_end();
Parm != ParmEnd; ++Parm)
mangleType((*Parm)->getTypeSourceInfo()->getType());
ParmEnd = D->param_end(); Parm != ParmEnd; ++Parm) {
if (TypeSourceInfo *typeAsWritten = (*Parm)->getTypeSourceInfo())
mangleType(typeAsWritten->getType());
else
mangleType((*Parm)->getType());
}
} else {
for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(),
ArgEnd = Proto->arg_type_end();