<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 - uadd.with.overflow - type mismatch"
   href="https://bugs.llvm.org/show_bug.cgi?id=38543">38543</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>uadd.with.overflow - type mismatch
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>Windows NT
          </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>new bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>llvm-dev@redking.me.uk
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, spatel+llvm@rotateright.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>%0 = type { i64, i1 }

declare %0 @llvm.uadd.with.overflow.i64(i64, i64)

define void @test6() {
  %C = icmp ugt i64 9223372036854775807, -9223372036854775808
  store i1 %C, i1* undef
  ret void
}

llc -mtriple=x86_64-unknown

llc: /home/simon/LLVM/llvm/include/llvm/Support/Casting.h:255: typename
llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X = llvm::Function; Y =
llvm::Constant; typename llvm::cast_retty<X, Y*>::ret_type = llvm::Function*]:
Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.

Reduced from <a href="https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6244">https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6244</a></pre>
        </div>
      </p>


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