https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90366
Bug ID: 90366 Summary: OpenMP default(none) - std::cerr is diagnosed as "not specified in enclosing 'parallel'", unlike clang Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: lebedev.ri at gmail dot com Target Milestone: --- #include <iostream> void test(int chunkSize) { #pragma omp parallel default(none) std::cerr << "hi"; } clang accepts that code, gcc does not: <source>: In function 'void test(int)': <source>:4:18: error: 'cerr' not specified in enclosing 'parallel' 4 | std::cerr << "hi"; | ^~~~ <source>:3:9: error: enclosing 'parallel' 3 | #pragma omp parallel default(none) | ^~~ Compiler returned: 1 https://godbolt.org/z/hC0cbC This diagnostic is correct?