From f1a62b6fa8c1e5305d887559575506755f8aab69 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Tue, 23 Feb 2016 13:57:32 +0100 Subject: [PATCH] re PR c/69900 (Unhelpful diagnostic about Ignored options) PR c/69900 * common.opt (Wunreachable-code): Add Warning flag. * gcc.dg/pr69900.c: New test. From-SVN: r233630 --- gcc/ChangeLog | 5 +++++ gcc/common.opt | 2 +- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/pr69900.c | 6 ++++++ 4 files changed, 17 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/pr69900.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2c77b39666d..020a1b3485a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-02-23 Jakub Jelinek + + PR c/69900 + * common.opt (Wunreachable-code): Add Warning flag. + 2016-02-23 Mark Wielaard Jakub Jelinek diff --git a/gcc/common.opt b/gcc/common.opt index 3c3669ad271..bc5b4c4e96b 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -728,7 +728,7 @@ Common Var(warn_maybe_uninitialized) Warning EnabledBy(Wuninitialized) Warn about maybe uninitialized automatic variables. Wunreachable-code -Common Ignore +Common Ignore Warning Does nothing. Preserved for backward compatibility. Wunused diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4d2fd4321fb..f83aa50ff2e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-02-23 Jakub Jelinek + + PR c/69900 + * gcc.dg/pr69900.c: New test. + 2016-02-23 Martin Jambor PR tree-optimization/69666 diff --git a/gcc/testsuite/gcc.dg/pr69900.c b/gcc/testsuite/gcc.dg/pr69900.c new file mode 100644 index 00000000000..2761d9fe0ef --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr69900.c @@ -0,0 +1,6 @@ +/* PR c/69900 */ +/* { dg-do compile } */ + +#pragma GCC diagnostic error "-Wunreachable-code" /* { dg-bogus "is not an option that controls warnings" } */ +#pragma GCC diagnostic warning "-Wunreachable-code" /* { dg-bogus "is not an option that controls warnings" } */ +#pragma GCC diagnostic ignored "-Wunreachable-code" /* { dg-bogus "is not an option that controls warnings" } */ -- 2.30.2