87fc34a461
When pretty printing a pointer to function type, pp_cxx_parameter_declaration_clause ends up always outputting an empty function parameter list because the loop that outputs the list iterates over 'args' instead of 'types', and 'args' is empty when a FUNCTION_TYPE is passed to this routine (as opposed to a FUNCTION_DECL). This patch fixes this by making the loop iterate over 'types' instead. This patch also moves the retrofitted chain-of-PARM_DECLs printing from here to pp_cxx_requires_expr, the only caller that uses it. Doing so lets us easily output the trailing '...' in the parameter list of a variadic function, which this patch also implements. gcc/cp/ChangeLog: PR c++/98767 * cxx-pretty-print.c (pp_cxx_parameter_declaration_clause): Adjust parameter list loop to iterate over 'types' instead of 'args'. Output the trailing '...' for a variadic function. Remove PARM_DECL support. (pp_cxx_requires_expr): Pretty print the parameter list directly instead of going through pp_cxx_parameter_declaration_clause. gcc/testsuite/ChangeLog: PR c++/98767 * g++.dg/concepts/diagnostic17.C: New test. |
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