From c263c3eba8953c341cd8ac2d0a5f2b8f38623016 Mon Sep 17 00:00:00 2001
From: Spacetown <michael.foerderer@gmx.de>
Date: Sun, 4 Dec 2022 21:03:34 +0100
Subject: [PATCH] gcov: annotate uncovered branches [PR107537]
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	PR gcov-profile/107537

gcc/ChangeLog:
	* gcov.cc (output_branch_count): Add annotation '(fallthrough)'
	or '(throw)' also to uncovered branches.

Signed-off-by: Michael Förderer <michael.foerderer@gmx.de>
---
 gcc/gcov.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/gcov.cc b/gcc/gcov.cc
index 9cf1071166f1..fa1ef7613ad8 100644
--- a/gcc/gcov.cc
+++ b/gcc/gcov.cc
@@ -2893,7 +2893,9 @@ output_branch_count (FILE *gcov_file, int ix, const arc_info *arc)
 		 arc->fall_through ? " (fallthrough)"
 		 : arc->is_throw ? " (throw)" : "");
       else
-	fnotice (gcov_file, "branch %2d never executed", ix);
+	fnotice (gcov_file, "branch %2d never executed%s", ix,
+		 (arc->fall_through ? " (fallthrough)"
+		  : arc->is_throw ? " (throw)" : ""));
 
       if (flag_verbose)
 	fnotice (gcov_file, " (BB %d)", arc->dst->id);
-- 
2.47.3