http://llvm.org/bugs/show_bug.cgi?id=21043
Bug ID: 21043
Summary: Simple sample is broken after r217874:
assert(use_empty() && "Uses remain when a value is
destroyed!") in Value.cpp is fired
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Commit http://llvm.org/viewvc/llvm-project?view=revision&revision=217874 make
clang fail on the following sample:
------------------- inc.h ---------------
#pragma once
template <typename FP> struct Struct
{
Struct() {}
~Struct(){}
};
--------- def.cpp -----------------------
#include "inc.h"
template struct Struct<float>;
--------- main.cpp -----------------------
#include "inc.h"
int main(int argc, char *argv[])
{
Struct<float> dummy;
return 0;
}
Compile it with:
./clang++ -O0 -march=core-avx2 -flto -DNDEBUG main.cpp def.cpp
Compiler crahses with:
While deleting: %struct.Struct.0* %this
Use still stuck around after Def is destroyed:%struct.Struct.0* %this
ld: ~/TRUNK/llvm.vect.clear/llvm/lib/IR/Value.cpp:80: virtual
llvm::Value::~Value(): Assertion `use_empty() && "Uses remain when a value is
destroyed!"' failed.
clang-3.5: error: unable to execute command: Aborted
clang-3.5: error: linker command failed due to signal (use -v to see
invocation)
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