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| author | Richard Biener <rguenther@suse.de> | 2020-02-17 09:32:44 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-02-17 09:32:44 +0100 |
| commit | abe13e1847fb91d43f02b5579c4230214d4369f4 (patch) | |
| tree | 58d22bcff7bdf1921d341d26469524d0810cf02c | |
| parent | f76a88ebf089871dcce215aa0cb1956ccc060895 (diff) | |
| download | gcc-abe13e1847fb91d43f02b5579c4230214d4369f4.zip gcc-abe13e1847fb91d43f02b5579c4230214d4369f4.tar.gz gcc-abe13e1847fb91d43f02b5579c4230214d4369f4.tar.bz2 | |
c/86134 avoid errors for unrecognized -Wno- options
This makes sure to not promote diagnostics about unrecognized -Wno-
options to errors and make the intent of the diagnostic clearer.
2020-02-17 Richard Biener <rguenther@suse.de>
PR c/86134
* opts-global.c (print_ignored_options): Use inform and
amend message.
* gcc.dg/pr86134.c: New testcase.
* gcc.dg/pr28322-2.c: Adjust.
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/opts-global.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr28322-2.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr86134.c | 6 |
5 files changed, 23 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5357acf..7c48140 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2020-02-17 Richard Biener <rguenther@suse.de> + + PR c/86134 + * opts-global.c (print_ignored_options): Use inform and + amend message. + 2020-02-17 Jiufu Guo <guojiufu@linux.ibm.com> PR target/93047 diff --git a/gcc/opts-global.c b/gcc/opts-global.c index d5e308b..c658805 100644 --- a/gcc/opts-global.c +++ b/gcc/opts-global.c @@ -139,8 +139,10 @@ print_ignored_options (void) const char *opt; opt = ignored_options.pop (); - warning_at (UNKNOWN_LOCATION, 0, - "unrecognized command-line option %qs", opt); + /* Use inform, not warning_at, to avoid promoting these to errors. */ + inform (UNKNOWN_LOCATION, + "unrecognized command-line option %qs may have been intended " + "to silence earlier diagnostics", opt); } } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6c34e0b..b326529 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2020-02-17 Richard Biener <rguenther@suse.de> + + PR c/86134 + * gcc.dg/pr86134.c: New testcase. + * gcc.dg/pr28322-2.c: Adjust. + 2020-02-17 David Malcolm <dmalcolm@redhat.com> PR analyzer/93388 diff --git a/gcc/testsuite/gcc.dg/pr28322-2.c b/gcc/testsuite/gcc.dg/pr28322-2.c index c9e5e22..20adf5e 100644 --- a/gcc/testsuite/gcc.dg/pr28322-2.c +++ b/gcc/testsuite/gcc.dg/pr28322-2.c @@ -8,5 +8,5 @@ int foo (void) return i; } -/* { dg-warning "unrecognized command-line option .-Wno-foobar." "" { target *-*-* } 0 } */ +/* { dg-message "unrecognized command-line option .-Wno-foobar." "" { target *-*-* } 0 } */ diff --git a/gcc/testsuite/gcc.dg/pr86134.c b/gcc/testsuite/gcc.dg/pr86134.c new file mode 100644 index 0000000..3fd21a3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr86134.c @@ -0,0 +1,6 @@ +/* { dg-do compile } */ +/* { dg-options "-Wall -Werror -Wno-error=main -Wno-foobar" } */ + +void main() {} /* { dg-warning "return type" } */ + +/* { dg-message "unrecognized command-line option" "" { target *-*-* } 0 } */ |