<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Invalid getReturnTypeSourceRange for function with trailing return type"
   href="https://bugs.llvm.org/show_bug.cgi?id=39567">39567</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Invalid getReturnTypeSourceRange for function with trailing return type
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Tooling
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>steveire@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Given this source file:


int foo();

auto bar() -> int;


and this clang-tidy check:


void FuncReturnRangeCheck::registerMatchers(MatchFinder *Finder) {
  // FIXME: Add matchers.
  Finder->addMatcher(functionDecl().bind("x"), this);
}

void FuncReturnRangeCheck::check(const MatchFinder::MatchResult &Result) {
  // FIXME: Add callback implementation.
  const auto *MatchedDecl = Result.Nodes.getNodeAs<FunctionDecl>("x");

  MatchedDecl->dump();

  auto SR = MatchedDecl->getReturnTypeSourceRange();

  SR.dump(*Result.SourceManager);
}



we get this output:


FunctionDecl 0x55dc893341f0 <func-return.cpp:2:1, col:9> col:5 foo 'int (void)'
<func-return.cpp:2:1>
FunctionDecl 0x55dc89334350 <func-return.cpp:4:1, col:15> col:6 bar 'auto
(void) -> int'
<<invalid sloc>>


The second source range should not be invalid.

FunctionDecl::getReturnTypeSourceRange returns an invalid range when the return
type is after the name info.</pre>
        </div>
      </p>


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