https://llvm.org/bugs/show_bug.cgi?id=31608
Bug ID: 31608
Summary: Clang-CL ICE with template instantiation
Product: clang
Version: 3.9
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: steve...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
I don't know what is really the trigger for this, but here is the reduced
reproducer using the snapshot from http://llvm.org/builds/:
c:\dev\tmp>type source_file.cpp
class SomeType;
struct __declspec(dllexport) Base
{
public:
virtual ~Base();
};
template<typename T>
struct __declspec(dllexport) MyTemplate : public Base
{
};
struct __declspec(dllexport) SubClass : public MyTemplate<SomeType>
{
};
template struct MyTemplate<SomeType>;
c:\dev\tmp>"C:\Program Files\LLVM\msbuild-bin\CL.exe" /c source_file.cpp
Assertion failed: CurFn->isDeclaration() && "Function already has body?", file
D:\src\llvm_package_291454\llvm\tools\clang\lib\CodeGen\CodeGenFunction.cpp,
line 732
Wrote crash dump file "cl.exe-8a689f.dmp"
clang-cl.exe: error: clang frontend command failed due to signal (use -v to
see invocation)
clang version 4.0.0 (trunk)
Target: x86_64-pc-windows-msvc
Thread model: posix
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