[OPENMP]Fix PR42159: do not capture threadprivate variables.

The threadprivate variables should not be captured in the outlined
regions, otherwise it leads to the compiler crash.

llvm-svn: 364061

1 files changed, 5 insertions, 2 deletions

diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 19057eb3986..b531d31c1ca 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -1866,11 +1866,14 @@ VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo,
         DSAStack->getTopDSA(D, DSAStack->isClauseParsingMode());
     if (DVarPrivate.CKind != OMPC_unknown && isOpenMPPrivate(DVarPrivate.CKind))
       return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl());
+    // Threadprivate variables must not be captured.
+    if (isOpenMPThreadPrivate(DVarPrivate.CKind))
+      return nullptr;
+    // The variable is not private or it is the variable in the directive with
+    // default(none) clause and not used in any clause.
     DVarPrivate = DSAStack->hasDSA(D, isOpenMPPrivate,
                                    [](OpenMPDirectiveKind) { return true; },
                                    DSAStack->isClauseParsingMode());
-    // The variable is not private or it is the variable in the directive with
-    // default(none) clause and not used in any clause.
     if (DVarPrivate.CKind != OMPC_unknown ||
         (VD && DSAStack->getDefaultDSA() == DSA_none))
       return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl());