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* [gcc r13-5631] ipa: silent -Wodr notes with -w
@ 2023-02-01 14:44 Martin Liska
  0 siblings, 0 replies; only message in thread
From: Martin Liska @ 2023-02-01 14:44 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:8a7196977f6e91ad12c209cb2e3dbfe9f0fd3c3b

commit r13-5631-g8a7196977f6e91ad12c209cb2e3dbfe9f0fd3c3b
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Dec 2 11:37:41 2022 +0100

    ipa: silent -Wodr notes with -w
    
    If -w is used, warn_odr properly sets *warned = false and
    so it should be preserved when calling warn_types_mismatch.
    
    Noticed that during a LTO reduction where I used -w.
    
    gcc/ChangeLog:
    
            * ipa-devirt.cc (odr_types_equivalent_p): Respect *warned
            value if set.

Diff:
---
 gcc/ipa-devirt.cc | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/gcc/ipa-devirt.cc b/gcc/ipa-devirt.cc
index 5e27e4aeb30..e26266e9426 100644
--- a/gcc/ipa-devirt.cc
+++ b/gcc/ipa-devirt.cc
@@ -1300,7 +1300,7 @@ odr_types_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
 	      warn_odr (t1, t2, NULL, NULL, warn, warned,
 			G_("it is defined as a pointer to different type "
 			   "in another translation unit"));
-	      if (warn && warned)
+	      if (warn && (warned == NULL || *warned))
 	        warn_types_mismatch (TREE_TYPE (t1), TREE_TYPE (t2),
 				     loc1, loc2);
 	      return false;
@@ -1315,7 +1315,7 @@ odr_types_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
 	  warn_odr (t1, t2, NULL, NULL, warn, warned,
 		    G_("a different type is defined "
 		       "in another translation unit"));
-	  if (warn && warned)
+	  if (warn && (warned == NULL || *warned))
 	    warn_types_mismatch (TREE_TYPE (t1), TREE_TYPE (t2), loc1, loc2);
 	  return false;
 	}
@@ -1333,7 +1333,7 @@ odr_types_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
 	    warn_odr (t1, t2, NULL, NULL, warn, warned,
 		      G_("a different type is defined in another "
 			 "translation unit"));
-	    if (warn && warned)
+	    if (warn && (warned == NULL || *warned))
 	      warn_types_mismatch (TREE_TYPE (t1), TREE_TYPE (t2), loc1, loc2);
 	  }
 	gcc_assert (TYPE_STRING_FLAG (t1) == TYPE_STRING_FLAG (t2));
@@ -1375,7 +1375,7 @@ odr_types_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
 	  warn_odr (t1, t2, NULL, NULL, warn, warned,
 		    G_("has different return value "
 		       "in another translation unit"));
-	  if (warn && warned)
+	  if (warn && (warned == NULL || *warned))
 	    warn_types_mismatch (TREE_TYPE (t1), TREE_TYPE (t2), loc1, loc2);
 	  return false;
 	}
@@ -1398,7 +1398,7 @@ odr_types_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
 		  warn_odr (t1, t2, NULL, NULL, warn, warned,
 			    G_("has different parameters in another "
 			       "translation unit"));
-		  if (warn && warned)
+		  if (warn && (warned == NULL || *warned))
 		    warn_types_mismatch (TREE_VALUE (parms1),
 					 TREE_VALUE (parms2), loc1, loc2);
 		  return false;
@@ -1484,7 +1484,7 @@ odr_types_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
 		    warn_odr (t1, t2, f1, f2, warn, warned,
 			      G_("a field of same name but different type "
 				 "is defined in another translation unit"));
-		    if (warn && warned)
+		    if (warn && (warned == NULL || *warned))
 		      warn_types_mismatch (TREE_TYPE (f1), TREE_TYPE (f2), loc1, loc2);
 		    return false;
 		  }

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