Provide proper error message for -flto=abcd.

2019-08-09  Martin Liska  <mliska@suse.cz>

	* opts.c (common_handle_option): Error for an invalid argument
	to -flto=.
2019-08-09  Martin Liska  <mliska@suse.cz>

	* gcc.dg/spellcheck-options-21.c: New test.

From-SVN: r274231

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 21652c835eb7ae8e887a4c7634d37668f45f7e90..50a2b8f49f43ddd9e8010a533083d1399ff79f61 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-08-09  Martin Liska  <mliska@suse.cz>
+
+       * opts.c (common_handle_option): Error for an invalid argument
+       to -flto=.
+
 2019-08-09  Martin Liska  <mliska@suse.cz>
 
        * ipa-icf.c (sem_function::merge): Define AUTO_DUMP_SCOPE and

diff --git a/gcc/opts.c b/gcc/opts.c
index 28142cef044592439ed10323cb5bfb0bd48cf6aa..a0a7789344809de1d71314646031f0bdeee8b1bc 100644 (file)
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -2822,6 +2822,14 @@ common_handle_option (struct gcc_options *opts,
       opts->x_flag_lto = value ? "" : NULL;
       break;
 
+    case OPT_flto_:
+      if (strcmp (arg, "none") != 0
+         && strcmp (arg, "jobserver") != 0
+         && atoi (arg) == 0)
+       error_at (loc,
+                 "unrecognized argument to %<-flto=%> option: %qs", arg);
+      break;
+
     case OPT_w:
       dc->dc_inhibit_warnings = true;
       break;

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 73022f37b1fba8d99ba32fa612b4363781cd3db3..317b7e54e210d813005ae2d8adeaf63a21cbdbfe 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-08-09  Martin Liska  <mliska@suse.cz>
+
+       * gcc.dg/spellcheck-options-21.c: New test.
+
 2019-08-09  Martin Liska  <mliska@suse.cz>
 
        * g++.dg/ipa/ipa-icf-2.C: Add -optimized to -fdump-ipa-icf.

diff --git a/gcc/testsuite/gcc.dg/spellcheck-options-21.c b/gcc/testsuite/gcc.dg/spellcheck-options-21.c
new file mode 100644 (file)
index 0000000..3e0e8a8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/spellcheck-options-21.c
@@ -0,0 +1,3 @@
+/* { dg-do compile } */
+/* { dg-options "-flto=sparta" } */
+/* { dg-error "unrecognized argument to '-flto=' option: 'sparta'" "" { target *-*-* } 0 } */