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// PR c++/49223 // { dg-do compile } // { dg-require-effective-target tls } // { dg-options "-fopenmp" } struct S; // { dg-error "forward declaration" } extern __thread struct S s; // { dg-error "has incomplete type" } struct T; extern __thread struct T t; void foo () { #pragma omp parallel copyin (s) ; }