[gcc r12-1708] gcov: update comment about padding

[gcc r12-1708] gcov: update comment about padding

[Martin Liska]

https://gcc.gnu.org/g:6871b899b831b4cb36a24033557c835e53c0b07f

commit r12-1708-g6871b899b831b4cb36a24033557c835e53c0b07f
Author: Martin Liska <mliska@suse.cz>
Date:   Tue Jun 22 08:43:41 2021 +0200

    gcov: update comment about padding
    
    gcc/ChangeLog:
    
            * gcov-io.h: Remove padding entries.

Diff:
---
 gcc/gcov-io.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gcc/gcov-io.h b/gcc/gcov-io.h
index ff92afe63df..538bee81263 100644
--- a/gcc/gcov-io.h
+++ b/gcc/gcov-io.h
@@ -45,12 +45,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    stored as two 32 bit numbers, the low part first.
    The number of bytes is stored, followed by the
    string. Zero length and NULL strings are simply stored as a length
-   of zero (they have no trailing NUL or padding).
+   of zero (they have no trailing NUL).
 
    	int32:  byte3 byte2 byte1 byte0 | byte0 byte1 byte2 byte3
 	int64:  int32:low int32:high
 	string: int32:0 | int32:length char* char:0
-	padding: | char:0 | char:0 char:0 | char:0 char:0 char:0
 	item: int32 | int64 | string
 
    The basic format of the notes file is