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List:       llvm-bugs
Subject:    [llvm-bugs] [Bug 63623] [flang] flang-new crashes (gfortran/regression/dtio_3.f90)
From:       LLVM Bugs via llvm-bugs <llvm-bugs () lists ! llvm ! org>
Date:       2023-06-30 16:25:08
Message-ID: 20230630162508.13185b1f508879ee () email ! llvm ! org
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<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/63623>63623</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [flang] flang-new crashes (gfortran/regression/dtio_3.f90)
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          k-arrows
      </td>
    </tr>
</table>

<pre>
    Crashed by the following test program:
https://github.com/llvm/llvm-test-suite/blob/main/Fortran/gfortran/regression/dtio_3.f90


Step to reproduce:
```shell
flang-new -flang-experimental-polymorphism dtio_3.f90
```

Error message before crash:
```console
error: loc(&quot;./dtio_3.f90&quot;:91:90): &apos;llvm.call&apos; op incorrect number \
                of operands (2) for callee (expecting: 3)
error: Lowering to LLVM IR failed
```

Assertion(llvm/lib/IR/Instructions.cpp:649):
```console
void llvm::CallInst::init(llvm::FunctionType *, llvm::Value *, \
ArrayRef&lt;llvm::Value *&gt;, ArrayRef&lt;llvm::OperandBundleDef&gt;, const \
llvm::Twine &amp;): Assertion `(Args.size() == FTy-&gt;getNumParams() || \
(FTy-&gt;isVarArg() &amp;&amp; Args.size() &gt; FTy-&gt;getNumParams())) &amp;&amp; \
&quot;Calling a function with bad signature!&quot;&apos; failed. ```

Stack dump:
```console
 #0 0x00005612df255972 llvm::sys::PrintStackTrace(llvm::raw_ostream&amp;, int)
 #1 0x00005612df255fc2 SignalHandler(int) Signals.cpp:0:0
 #2 0x00007f4396403520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #3 0x00007f4396457a7c __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
 #4 0x00007f4396457a7c __pthread_kill_internal ./nptl/pthread_kill.c:78:10
 #5 0x00007f4396457a7c pthread_kill ./nptl/pthread_kill.c:89:10
 #6 0x00007f4396403476 gsignal ./signal/../sysdeps/posix/raise.c:27:6
 #7 0x00007f43963e97f3 abort ./stdlib/abort.c:81:7
 #8 0x00007f43963e971b _nl_load_domain ./intl/loadmsgcat.c:1177:9
 #9 0x00007f43963fae96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#10 0x00005612e1c21878 llvm::CallInst::init(llvm::FunctionType*, llvm::Value*, \
llvm::Twine const&amp;) #11 0x00005612de301130 \
llvm::CallInst::Create(llvm::FunctionType*, llvm::Value*, \
llvm::ArrayRef&lt;llvm::Value*&gt;, \
llvm::ArrayRef&lt;llvm::OperandBundleDefT&lt;llvm::Value*&gt;&gt;, llvm::Twine \
const&amp;, llvm::Instruction*) #12 0x00005612de3007f2 \
llvm::IRBuilderBase::CreateCall(llvm::FunctionType*, llvm::Value*, \
llvm::ArrayRef&lt;llvm::Value*&gt;, llvm::Twine const&amp;, llvm::MDNode*)  #13 \
0x00005612e0546398 convertOperationImpl(mlir::Operation&amp;, \
llvm::IRBuilderBase&amp;, mlir::LLVM::ModuleTranslation&amp;) \
LLVMToLLVMIRTranslation.cpp:0:0 #14 0x00005612e0ce149e \
mlir::LLVM::ModuleTranslation::convertOperation(mlir::Operation&amp;, \
llvm::IRBuilderBase&amp;) #15 0x00005612e0ce178a \
mlir::LLVM::ModuleTranslation::convertBlock(mlir::Block&amp;, bool, \
llvm::IRBuilderBase&amp;) #16 0x00005612e0ce29de \
mlir::LLVM::ModuleTranslation::convertOneFunction(mlir::LLVM::LLVMFuncOp) #17 \
0x00005612e0ce3b2c mlir::LLVM::ModuleTranslation::convertFunctions() #18 \
0x00005612e0ce53a0 mlir::translateModuleToLLVMIR(mlir::Operation*, \
llvm::LLVMContext&amp;, llvm::StringRef) #19 0x00005612df3a18fe \
Fortran::frontend::CodeGenAction::generateLLVMIR() #20 0x00005612df3a2d76 \
Fortran::frontend::CodeGenAction::executeAction() #21 0x00005612df276d0e \
Fortran::frontend::FrontendAction::execute() #22 0x00005612df26ef07 \
Fortran::frontend::CompilerInstance::executeAction(Fortran::frontend::FrontendAction&amp;)
 #23 0x00005612df2794e6 \
Fortran::frontend::executeCompilerInvocation(Fortran::frontend::CompilerInstance*) \
#24 0x00005612de2cb984 fc1_main(llvm::ArrayRef&lt;char const*&gt;, char const*) #25 \
0x00005612de2c9b32 main #26 0x00007f43963ead90 __libc_start_call_main \
./csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #27 0x00007f43963eae40 call_init \
./csu/../csu/libc-start.c:128:20 #28 0x00007f43963eae40 __libc_start_main \
./csu/../csu/libc-start.c:379:5 #29 0x00005612de2c8f95 _start
flang-new: error: unable to execute command: Aborted
flang-new: error: flang frontend command failed due to signal (use -v to see \
invocation) flang-new version 17.0.0 (https://github.com/llvm/llvm-project.git \
                cc31d787c3f29f3afbbfee15e1dda846ec962d70)
Target: x86_64-unknown-linux-gnu
Thread model: posix
```
</pre>
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