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[Clang] Fix clang crash for fopenmp statement(parallel for) inside lambda function #146772

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[Clang] Fix clang crash for fopenmp statement(parallel for) inside lambda function #146772

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6 changes: 6 additions & 0 deletions clang/lib/CodeGen/CGStmtOpenMP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2332,6 +2332,12 @@ void CodeGenFunction::EmitOMPPrivateLoopCounters(
for (const Expr *E : S.counters()) {
const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl());
const auto *PrivateVD = cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl());
// Privatize original counter variable (e.g., __beginN, __endN, __rangeN)
if (!LocalDeclMap.count(VD)) {
Address Addr = CreateMemTemp(VD->getType(), VD->getName());
LocalDeclMap.insert({VD, Addr});
(void)LoopScope.addPrivate(VD, Addr);
}
Comment on lines +2335 to +2340
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I assume this is too broad. Why the original variables are not captured and privatized? Looks like we're missing some analysis

// Emit var without initialization.
AutoVarEmission VarEmission = EmitAutoVarAlloca(*PrivateVD);
EmitAutoVarCleanups(VarEmission);
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