From 22ab714dcceecb24c96599c9c7fe7b6c6db9b21f Mon Sep 17 00:00:00 2001 From: Mark Mitchell Date: Sun, 10 Oct 2004 21:49:27 +0000 Subject: [PATCH] re PR c++/17393 ("unused variable '._0'" warning with -Wall) PR c++/17393 * decl.c (grokdeclarator): Robustify error-recovery on invalid declarations. PR c++/17393 * g++.dg/parse/error21.C: New test. From-SVN: r88855 --- gcc/cp/ChangeLog | 6 ++++++ gcc/cp/decl.c | 2 +- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/parse/error21.C | 12 ++++++++++++ 4 files changed, 24 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/g++.dg/parse/error21.C diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 3d7d7409f68..65abf7d17c8 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2004-10-10 Mark Mitchell + + PR c++/17393 + * decl.c (grokdeclarator): Robustify error-recovery on invalid + declarations. + 2004-10-10 Gabriel Dos Reis Convert diagnostics to use quoting flag q 7/n diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index fa50faae994..f0775662d26 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -7765,7 +7765,7 @@ grokdeclarator (const cp_declarator *declarator, && ! bitfield) { error ("abstract declarator %qT used as declaration", type); - unqualified_id = make_anon_name (); + return error_mark_node; } /* Only functions may be declared using an operator-function-id. */ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3ec98ce366f..d17818fe73d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-10-10 Mark Mitchell + + PR c++/17393 + * g++.dg/parse/error21.C: New test. + 2004-10-10 Gabriel Dos Reis * g++.dg/overload/pmf1.C: Adjust quoting marks. diff --git a/gcc/testsuite/g++.dg/parse/error21.C b/gcc/testsuite/g++.dg/parse/error21.C new file mode 100644 index 00000000000..6e24ae2244e --- /dev/null +++ b/gcc/testsuite/g++.dg/parse/error21.C @@ -0,0 +1,12 @@ +// PR c++/17393 +// { dg-options "-Wall" } + +struct A { }; + +void foo() +{ + // Check that we do not complain about an unused + // compiler-generated variable. + A& = a; // { dg-error "token|declarator|not declared" } +} +