mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
just it's name, which is often empty. Also remove a newline from the output that wasn't really needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54158 91177308-0d34-0410-b5e6-96231b3b80d8
559 lines
19 KiB
C++
559 lines
19 KiB
C++
//===- CrashDebugger.cpp - Debug compilation crashes ----------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the bugpoint internals that narrow down compilation crashes
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "BugDriver.h"
|
|
#include "ToolRunner.h"
|
|
#include "ListReducer.h"
|
|
#include "llvm/Constants.h"
|
|
#include "llvm/DerivedTypes.h"
|
|
#include "llvm/Instructions.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/Pass.h"
|
|
#include "llvm/PassManager.h"
|
|
#include "llvm/ValueSymbolTable.h"
|
|
#include "llvm/Analysis/Verifier.h"
|
|
#include "llvm/Support/CFG.h"
|
|
#include "llvm/Transforms/Scalar.h"
|
|
#include "llvm/Transforms/Utils/Cloning.h"
|
|
#include "llvm/Support/FileUtilities.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include <fstream>
|
|
#include <set>
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
cl::opt<bool>
|
|
KeepMain("keep-main",
|
|
cl::desc("Force function reduction to keep main"),
|
|
cl::init(false));
|
|
}
|
|
|
|
namespace llvm {
|
|
class ReducePassList : public ListReducer<const PassInfo*> {
|
|
BugDriver &BD;
|
|
public:
|
|
ReducePassList(BugDriver &bd) : BD(bd) {}
|
|
|
|
// doTest - Return true iff running the "removed" passes succeeds, and
|
|
// running the "Kept" passes fail when run on the output of the "removed"
|
|
// passes. If we return true, we update the current module of bugpoint.
|
|
//
|
|
virtual TestResult doTest(std::vector<const PassInfo*> &Removed,
|
|
std::vector<const PassInfo*> &Kept);
|
|
};
|
|
}
|
|
|
|
ReducePassList::TestResult
|
|
ReducePassList::doTest(std::vector<const PassInfo*> &Prefix,
|
|
std::vector<const PassInfo*> &Suffix) {
|
|
sys::Path PrefixOutput;
|
|
Module *OrigProgram = 0;
|
|
if (!Prefix.empty()) {
|
|
std::cout << "Checking to see if these passes crash: "
|
|
<< getPassesString(Prefix) << ": ";
|
|
std::string PfxOutput;
|
|
if (BD.runPasses(Prefix, PfxOutput))
|
|
return KeepPrefix;
|
|
|
|
PrefixOutput.set(PfxOutput);
|
|
OrigProgram = BD.Program;
|
|
|
|
BD.Program = ParseInputFile(PrefixOutput.toString());
|
|
if (BD.Program == 0) {
|
|
std::cerr << BD.getToolName() << ": Error reading bitcode file '"
|
|
<< PrefixOutput << "'!\n";
|
|
exit(1);
|
|
}
|
|
PrefixOutput.eraseFromDisk();
|
|
}
|
|
|
|
std::cout << "Checking to see if these passes crash: "
|
|
<< getPassesString(Suffix) << ": ";
|
|
|
|
if (BD.runPasses(Suffix)) {
|
|
delete OrigProgram; // The suffix crashes alone...
|
|
return KeepSuffix;
|
|
}
|
|
|
|
// Nothing failed, restore state...
|
|
if (OrigProgram) {
|
|
delete BD.Program;
|
|
BD.Program = OrigProgram;
|
|
}
|
|
return NoFailure;
|
|
}
|
|
|
|
namespace {
|
|
/// ReduceCrashingGlobalVariables - This works by removing the global
|
|
/// variable's initializer and seeing if the program still crashes. If it
|
|
/// does, then we keep that program and try again.
|
|
///
|
|
class ReduceCrashingGlobalVariables : public ListReducer<GlobalVariable*> {
|
|
BugDriver &BD;
|
|
bool (*TestFn)(BugDriver &, Module *);
|
|
public:
|
|
ReduceCrashingGlobalVariables(BugDriver &bd,
|
|
bool (*testFn)(BugDriver&, Module*))
|
|
: BD(bd), TestFn(testFn) {}
|
|
|
|
virtual TestResult doTest(std::vector<GlobalVariable*>& Prefix,
|
|
std::vector<GlobalVariable*>& Kept) {
|
|
if (!Kept.empty() && TestGlobalVariables(Kept))
|
|
return KeepSuffix;
|
|
|
|
if (!Prefix.empty() && TestGlobalVariables(Prefix))
|
|
return KeepPrefix;
|
|
|
|
return NoFailure;
|
|
}
|
|
|
|
bool TestGlobalVariables(std::vector<GlobalVariable*>& GVs);
|
|
};
|
|
}
|
|
|
|
bool
|
|
ReduceCrashingGlobalVariables::TestGlobalVariables(
|
|
std::vector<GlobalVariable*>& GVs) {
|
|
// Clone the program to try hacking it apart...
|
|
DenseMap<const Value*, Value*> ValueMap;
|
|
Module *M = CloneModule(BD.getProgram(), ValueMap);
|
|
|
|
// Convert list to set for fast lookup...
|
|
std::set<GlobalVariable*> GVSet;
|
|
|
|
for (unsigned i = 0, e = GVs.size(); i != e; ++i) {
|
|
GlobalVariable* CMGV = cast<GlobalVariable>(ValueMap[GVs[i]]);
|
|
assert(CMGV && "Global Variable not in module?!");
|
|
GVSet.insert(CMGV);
|
|
}
|
|
|
|
std::cout << "Checking for crash with only these global variables: ";
|
|
PrintGlobalVariableList(GVs);
|
|
std::cout << ": ";
|
|
|
|
// Loop over and delete any global variables which we aren't supposed to be
|
|
// playing with...
|
|
for (Module::global_iterator I = M->global_begin(), E = M->global_end();
|
|
I != E; ++I)
|
|
if (I->hasInitializer()) {
|
|
I->setInitializer(0);
|
|
I->setLinkage(GlobalValue::ExternalLinkage);
|
|
}
|
|
|
|
// Try running the hacked up program...
|
|
if (TestFn(BD, M)) {
|
|
BD.setNewProgram(M); // It crashed, keep the trimmed version...
|
|
|
|
// Make sure to use global variable pointers that point into the now-current
|
|
// module.
|
|
GVs.assign(GVSet.begin(), GVSet.end());
|
|
return true;
|
|
}
|
|
|
|
delete M;
|
|
return false;
|
|
}
|
|
|
|
namespace llvm {
|
|
/// ReduceCrashingFunctions reducer - This works by removing functions and
|
|
/// seeing if the program still crashes. If it does, then keep the newer,
|
|
/// smaller program.
|
|
///
|
|
class ReduceCrashingFunctions : public ListReducer<Function*> {
|
|
BugDriver &BD;
|
|
bool (*TestFn)(BugDriver &, Module *);
|
|
public:
|
|
ReduceCrashingFunctions(BugDriver &bd,
|
|
bool (*testFn)(BugDriver &, Module *))
|
|
: BD(bd), TestFn(testFn) {}
|
|
|
|
virtual TestResult doTest(std::vector<Function*> &Prefix,
|
|
std::vector<Function*> &Kept) {
|
|
if (!Kept.empty() && TestFuncs(Kept))
|
|
return KeepSuffix;
|
|
if (!Prefix.empty() && TestFuncs(Prefix))
|
|
return KeepPrefix;
|
|
return NoFailure;
|
|
}
|
|
|
|
bool TestFuncs(std::vector<Function*> &Prefix);
|
|
};
|
|
}
|
|
|
|
bool ReduceCrashingFunctions::TestFuncs(std::vector<Function*> &Funcs) {
|
|
|
|
//if main isn't present, claim there is no problem
|
|
if (KeepMain && find(Funcs.begin(), Funcs.end(),
|
|
BD.getProgram()->getFunction("main")) == Funcs.end())
|
|
return false;
|
|
|
|
// Clone the program to try hacking it apart...
|
|
Module *M = CloneModule(BD.getProgram());
|
|
|
|
// Convert list to set for fast lookup...
|
|
std::set<Function*> Functions;
|
|
for (unsigned i = 0, e = Funcs.size(); i != e; ++i) {
|
|
// FIXME: bugpoint should add names to all stripped symbols.
|
|
assert(!Funcs[i]->getName().empty() &&
|
|
"Bugpoint doesn't work on stripped modules yet PR718!");
|
|
Function *CMF = M->getFunction(Funcs[i]->getName());
|
|
assert(CMF && "Function not in module?!");
|
|
assert(CMF->getFunctionType() == Funcs[i]->getFunctionType() && "wrong ty");
|
|
Functions.insert(CMF);
|
|
}
|
|
|
|
std::cout << "Checking for crash with only these functions: ";
|
|
PrintFunctionList(Funcs);
|
|
std::cout << ": ";
|
|
|
|
// Loop over and delete any functions which we aren't supposed to be playing
|
|
// with...
|
|
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
|
|
if (!I->isDeclaration() && !Functions.count(I))
|
|
DeleteFunctionBody(I);
|
|
|
|
// Try running the hacked up program...
|
|
if (TestFn(BD, M)) {
|
|
BD.setNewProgram(M); // It crashed, keep the trimmed version...
|
|
|
|
// Make sure to use function pointers that point into the now-current
|
|
// module.
|
|
Funcs.assign(Functions.begin(), Functions.end());
|
|
return true;
|
|
}
|
|
delete M;
|
|
return false;
|
|
}
|
|
|
|
|
|
namespace {
|
|
/// ReduceCrashingBlocks reducer - This works by setting the terminators of
|
|
/// all terminators except the specified basic blocks to a 'ret' instruction,
|
|
/// then running the simplify-cfg pass. This has the effect of chopping up
|
|
/// the CFG really fast which can reduce large functions quickly.
|
|
///
|
|
class ReduceCrashingBlocks : public ListReducer<const BasicBlock*> {
|
|
BugDriver &BD;
|
|
bool (*TestFn)(BugDriver &, Module *);
|
|
public:
|
|
ReduceCrashingBlocks(BugDriver &bd, bool (*testFn)(BugDriver &, Module *))
|
|
: BD(bd), TestFn(testFn) {}
|
|
|
|
virtual TestResult doTest(std::vector<const BasicBlock*> &Prefix,
|
|
std::vector<const BasicBlock*> &Kept) {
|
|
if (!Kept.empty() && TestBlocks(Kept))
|
|
return KeepSuffix;
|
|
if (!Prefix.empty() && TestBlocks(Prefix))
|
|
return KeepPrefix;
|
|
return NoFailure;
|
|
}
|
|
|
|
bool TestBlocks(std::vector<const BasicBlock*> &Prefix);
|
|
};
|
|
}
|
|
|
|
bool ReduceCrashingBlocks::TestBlocks(std::vector<const BasicBlock*> &BBs) {
|
|
// Clone the program to try hacking it apart...
|
|
Module *M = CloneModule(BD.getProgram());
|
|
|
|
// Convert list to set for fast lookup...
|
|
std::set<BasicBlock*> Blocks;
|
|
for (unsigned i = 0, e = BBs.size(); i != e; ++i) {
|
|
// Convert the basic block from the original module to the new module...
|
|
const Function *F = BBs[i]->getParent();
|
|
Function *CMF = M->getFunction(F->getName());
|
|
assert(CMF && "Function not in module?!");
|
|
assert(CMF->getFunctionType() == F->getFunctionType() && "wrong type?");
|
|
|
|
// Get the mapped basic block...
|
|
Function::iterator CBI = CMF->begin();
|
|
std::advance(CBI, std::distance(F->begin(),
|
|
Function::const_iterator(BBs[i])));
|
|
Blocks.insert(CBI);
|
|
}
|
|
|
|
std::cout << "Checking for crash with only these blocks:";
|
|
unsigned NumPrint = Blocks.size();
|
|
if (NumPrint > 10) NumPrint = 10;
|
|
for (unsigned i = 0, e = NumPrint; i != e; ++i)
|
|
std::cout << " " << BBs[i]->getName();
|
|
if (NumPrint < Blocks.size())
|
|
std::cout << "... <" << Blocks.size() << " total>";
|
|
std::cout << ": ";
|
|
|
|
// Loop over and delete any hack up any blocks that are not listed...
|
|
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
|
|
for (Function::iterator BB = I->begin(), E = I->end(); BB != E; ++BB)
|
|
if (!Blocks.count(BB) && BB->getTerminator()->getNumSuccessors()) {
|
|
// Loop over all of the successors of this block, deleting any PHI nodes
|
|
// that might include it.
|
|
for (succ_iterator SI = succ_begin(BB), E = succ_end(BB); SI != E; ++SI)
|
|
(*SI)->removePredecessor(BB);
|
|
|
|
TerminatorInst *BBTerm = BB->getTerminator();
|
|
|
|
if (isa<StructType>(BBTerm->getType()))
|
|
BBTerm->replaceAllUsesWith(UndefValue::get(BBTerm->getType()));
|
|
else if (BB->getTerminator()->getType() != Type::VoidTy)
|
|
BBTerm->replaceAllUsesWith(Constant::getNullValue(BBTerm->getType()));
|
|
|
|
// Replace the old terminator instruction.
|
|
BB->getInstList().pop_back();
|
|
new UnreachableInst(BB);
|
|
}
|
|
|
|
// The CFG Simplifier pass may delete one of the basic blocks we are
|
|
// interested in. If it does we need to take the block out of the list. Make
|
|
// a "persistent mapping" by turning basic blocks into <function, name> pairs.
|
|
// This won't work well if blocks are unnamed, but that is just the risk we
|
|
// have to take.
|
|
std::vector<std::pair<Function*, std::string> > BlockInfo;
|
|
|
|
for (std::set<BasicBlock*>::iterator I = Blocks.begin(), E = Blocks.end();
|
|
I != E; ++I)
|
|
BlockInfo.push_back(std::make_pair((*I)->getParent(), (*I)->getName()));
|
|
|
|
// Now run the CFG simplify pass on the function...
|
|
PassManager Passes;
|
|
Passes.add(createCFGSimplificationPass());
|
|
Passes.add(createVerifierPass());
|
|
Passes.run(*M);
|
|
|
|
// Try running on the hacked up program...
|
|
if (TestFn(BD, M)) {
|
|
BD.setNewProgram(M); // It crashed, keep the trimmed version...
|
|
|
|
// Make sure to use basic block pointers that point into the now-current
|
|
// module, and that they don't include any deleted blocks.
|
|
BBs.clear();
|
|
for (unsigned i = 0, e = BlockInfo.size(); i != e; ++i) {
|
|
ValueSymbolTable &ST = BlockInfo[i].first->getValueSymbolTable();
|
|
Value* V = ST.lookup(BlockInfo[i].second);
|
|
if (V && V->getType() == Type::LabelTy)
|
|
BBs.push_back(cast<BasicBlock>(V));
|
|
}
|
|
return true;
|
|
}
|
|
delete M; // It didn't crash, try something else.
|
|
return false;
|
|
}
|
|
|
|
/// DebugACrash - Given a predicate that determines whether a component crashes
|
|
/// on a program, try to destructively reduce the program while still keeping
|
|
/// the predicate true.
|
|
static bool DebugACrash(BugDriver &BD, bool (*TestFn)(BugDriver &, Module *)) {
|
|
// See if we can get away with nuking some of the global variable initializers
|
|
// in the program...
|
|
if (BD.getProgram()->global_begin() != BD.getProgram()->global_end()) {
|
|
// Now try to reduce the number of global variable initializers in the
|
|
// module to something small.
|
|
Module *M = CloneModule(BD.getProgram());
|
|
bool DeletedInit = false;
|
|
|
|
for (Module::global_iterator I = M->global_begin(), E = M->global_end();
|
|
I != E; ++I)
|
|
if (I->hasInitializer()) {
|
|
I->setInitializer(0);
|
|
I->setLinkage(GlobalValue::ExternalLinkage);
|
|
DeletedInit = true;
|
|
}
|
|
|
|
if (!DeletedInit) {
|
|
delete M; // No change made...
|
|
} else {
|
|
// See if the program still causes a crash...
|
|
std::cout << "\nChecking to see if we can delete global inits: ";
|
|
|
|
if (TestFn(BD, M)) { // Still crashes?
|
|
BD.setNewProgram(M);
|
|
std::cout << "\n*** Able to remove all global initializers!\n";
|
|
} else { // No longer crashes?
|
|
std::cout << " - Removing all global inits hides problem!\n";
|
|
delete M;
|
|
|
|
std::vector<GlobalVariable*> GVs;
|
|
|
|
for (Module::global_iterator I = BD.getProgram()->global_begin(),
|
|
E = BD.getProgram()->global_end(); I != E; ++I)
|
|
if (I->hasInitializer())
|
|
GVs.push_back(I);
|
|
|
|
if (GVs.size() > 1 && !BugpointIsInterrupted) {
|
|
std::cout << "\n*** Attempting to reduce the number of global "
|
|
<< "variables in the testcase\n";
|
|
|
|
unsigned OldSize = GVs.size();
|
|
ReduceCrashingGlobalVariables(BD, TestFn).reduceList(GVs);
|
|
|
|
if (GVs.size() < OldSize)
|
|
BD.EmitProgressBitcode("reduced-global-variables");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now try to reduce the number of functions in the module to something small.
|
|
std::vector<Function*> Functions;
|
|
for (Module::iterator I = BD.getProgram()->begin(),
|
|
E = BD.getProgram()->end(); I != E; ++I)
|
|
if (!I->isDeclaration())
|
|
Functions.push_back(I);
|
|
|
|
if (Functions.size() > 1 && !BugpointIsInterrupted) {
|
|
std::cout << "\n*** Attempting to reduce the number of functions "
|
|
"in the testcase\n";
|
|
|
|
unsigned OldSize = Functions.size();
|
|
ReduceCrashingFunctions(BD, TestFn).reduceList(Functions);
|
|
|
|
if (Functions.size() < OldSize)
|
|
BD.EmitProgressBitcode("reduced-function");
|
|
}
|
|
|
|
// Attempt to delete entire basic blocks at a time to speed up
|
|
// convergence... this actually works by setting the terminator of the blocks
|
|
// to a return instruction then running simplifycfg, which can potentially
|
|
// shrinks the code dramatically quickly
|
|
//
|
|
if (!DisableSimplifyCFG && !BugpointIsInterrupted) {
|
|
std::vector<const BasicBlock*> Blocks;
|
|
for (Module::const_iterator I = BD.getProgram()->begin(),
|
|
E = BD.getProgram()->end(); I != E; ++I)
|
|
for (Function::const_iterator FI = I->begin(), E = I->end(); FI !=E; ++FI)
|
|
Blocks.push_back(FI);
|
|
ReduceCrashingBlocks(BD, TestFn).reduceList(Blocks);
|
|
}
|
|
|
|
// FIXME: This should use the list reducer to converge faster by deleting
|
|
// larger chunks of instructions at a time!
|
|
unsigned Simplification = 2;
|
|
do {
|
|
if (BugpointIsInterrupted) break;
|
|
--Simplification;
|
|
std::cout << "\n*** Attempting to reduce testcase by deleting instruc"
|
|
<< "tions: Simplification Level #" << Simplification << '\n';
|
|
|
|
// Now that we have deleted the functions that are unnecessary for the
|
|
// program, try to remove instructions that are not necessary to cause the
|
|
// crash. To do this, we loop through all of the instructions in the
|
|
// remaining functions, deleting them (replacing any values produced with
|
|
// nulls), and then running ADCE and SimplifyCFG. If the transformed input
|
|
// still triggers failure, keep deleting until we cannot trigger failure
|
|
// anymore.
|
|
//
|
|
unsigned InstructionsToSkipBeforeDeleting = 0;
|
|
TryAgain:
|
|
|
|
// Loop over all of the (non-terminator) instructions remaining in the
|
|
// function, attempting to delete them.
|
|
unsigned CurInstructionNum = 0;
|
|
for (Module::const_iterator FI = BD.getProgram()->begin(),
|
|
E = BD.getProgram()->end(); FI != E; ++FI)
|
|
if (!FI->isDeclaration())
|
|
for (Function::const_iterator BI = FI->begin(), E = FI->end(); BI != E;
|
|
++BI)
|
|
for (BasicBlock::const_iterator I = BI->begin(), E = --BI->end();
|
|
I != E; ++I, ++CurInstructionNum)
|
|
if (InstructionsToSkipBeforeDeleting) {
|
|
--InstructionsToSkipBeforeDeleting;
|
|
} else {
|
|
if (BugpointIsInterrupted) goto ExitLoops;
|
|
|
|
std::cout << "Checking instruction: " << *I;
|
|
Module *M = BD.deleteInstructionFromProgram(I, Simplification);
|
|
|
|
// Find out if the pass still crashes on this pass...
|
|
if (TestFn(BD, M)) {
|
|
// Yup, it does, we delete the old module, and continue trying
|
|
// to reduce the testcase...
|
|
BD.setNewProgram(M);
|
|
InstructionsToSkipBeforeDeleting = CurInstructionNum;
|
|
goto TryAgain; // I wish I had a multi-level break here!
|
|
}
|
|
|
|
// This pass didn't crash without this instruction, try the next
|
|
// one.
|
|
delete M;
|
|
}
|
|
|
|
if (InstructionsToSkipBeforeDeleting) {
|
|
InstructionsToSkipBeforeDeleting = 0;
|
|
goto TryAgain;
|
|
}
|
|
|
|
} while (Simplification);
|
|
ExitLoops:
|
|
|
|
// Try to clean up the testcase by running funcresolve and globaldce...
|
|
if (!BugpointIsInterrupted) {
|
|
std::cout << "\n*** Attempting to perform final cleanups: ";
|
|
Module *M = CloneModule(BD.getProgram());
|
|
M = BD.performFinalCleanups(M, true);
|
|
|
|
// Find out if the pass still crashes on the cleaned up program...
|
|
if (TestFn(BD, M)) {
|
|
BD.setNewProgram(M); // Yup, it does, keep the reduced version...
|
|
} else {
|
|
delete M;
|
|
}
|
|
}
|
|
|
|
BD.EmitProgressBitcode("reduced-simplified");
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool TestForOptimizerCrash(BugDriver &BD, Module *M) {
|
|
return BD.runPasses(M);
|
|
}
|
|
|
|
/// debugOptimizerCrash - This method is called when some pass crashes on input.
|
|
/// It attempts to prune down the testcase to something reasonable, and figure
|
|
/// out exactly which pass is crashing.
|
|
///
|
|
bool BugDriver::debugOptimizerCrash(const std::string &ID) {
|
|
std::cout << "\n*** Debugging optimizer crash!\n";
|
|
|
|
// Reduce the list of passes which causes the optimizer to crash...
|
|
if (!BugpointIsInterrupted)
|
|
ReducePassList(*this).reduceList(PassesToRun);
|
|
|
|
std::cout << "\n*** Found crashing pass"
|
|
<< (PassesToRun.size() == 1 ? ": " : "es: ")
|
|
<< getPassesString(PassesToRun) << '\n';
|
|
|
|
EmitProgressBitcode(ID);
|
|
|
|
return DebugACrash(*this, TestForOptimizerCrash);
|
|
}
|
|
|
|
static bool TestForCodeGenCrash(BugDriver &BD, Module *M) {
|
|
try {
|
|
BD.compileProgram(M);
|
|
std::cerr << '\n';
|
|
return false;
|
|
} catch (ToolExecutionError &) {
|
|
std::cerr << "<crash>\n";
|
|
return true; // Tool is still crashing.
|
|
}
|
|
}
|
|
|
|
/// debugCodeGeneratorCrash - This method is called when the code generator
|
|
/// crashes on an input. It attempts to reduce the input as much as possible
|
|
/// while still causing the code generator to crash.
|
|
bool BugDriver::debugCodeGeneratorCrash() {
|
|
std::cerr << "*** Debugging code generator crash!\n";
|
|
|
|
return DebugACrash(*this, TestForCodeGenCrash);
|
|
}
|