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* [Bug gcov-profile/105500] New: [Gcov]wrong freqency for the while loop with struct in the expression
@ 2022-05-06 3:11 yangyibiao at nju dot edu.cn
2022-05-06 6:11 ` [Bug gcov-profile/105500] " rguenth at gcc dot gnu.org
2022-05-10 11:29 ` marxin at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: yangyibiao at nju dot edu.cn @ 2022-05-06 3:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105500
Bug ID: 105500
Summary: [Gcov]wrong freqency for the while loop with struct in
the expression
Product: gcc
Version: 7.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: gcov-profile
Assignee: unassigned at gcc dot gnu.org
Reporter: yangyibiao at nju dot edu.cn
CC: marxin at gcc dot gnu.org
Target Milestone: ---
$ cat small.c
struct S { int f; } a;
struct S foo (int x, struct S y)
{
int b = y.f;
return a;
}
void bar ()
{
while (a.f)
{
struct S c = {0};
foo (0, c);
}
}
int main ()
{
bar ();
return 0;
}
$ gcc -O0 --coverage small.c; ./a.out; gcov small.c; cat small.c.gcov
File 'small.c'
Lines executed:54.55% of 11
Creating 'small.c.gcov'
-: 0:Source:small.c
-: 0:Graph:small.gcno
-: 0:Data:small.gcda
-: 0:Runs:1
-: 0:Programs:1
-: 1:struct S { int f; } a;
-: 2:
#####: 3:struct S foo (int x, struct S y)
-: 4:{
#####: 5: int b = y.f;
#####: 6: return a;
-: 7:}
-: 8:
1: 9:void bar ()
-: 10:{
2: 11: while (a.f)
-: 12: {
#####: 13: struct S c = {0};
#####: 14: foo (0, c);
-: 15: }
1: 16:}
-: 17:
1: 18:int main ()
-: 19:{
1: 20: bar ();
1: 21: return 0;
-: 22:}
Line #11 is wrongly marked as executed twice which should be executed once.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug gcov-profile/105500] [Gcov]wrong freqency for the while loop with struct in the expression
2022-05-06 3:11 [Bug gcov-profile/105500] New: [Gcov]wrong freqency for the while loop with struct in the expression yangyibiao at nju dot edu.cn
@ 2022-05-06 6:11 ` rguenth at gcc dot gnu.org
2022-05-10 11:29 ` marxin at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-05-06 6:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105500
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |11.3.1, 7.5.0
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2022-05-06
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug gcov-profile/105500] [Gcov]wrong freqency for the while loop with struct in the expression
2022-05-06 3:11 [Bug gcov-profile/105500] New: [Gcov]wrong freqency for the while loop with struct in the expression yangyibiao at nju dot edu.cn
2022-05-06 6:11 ` [Bug gcov-profile/105500] " rguenth at gcc dot gnu.org
@ 2022-05-10 11:29 ` marxin at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: marxin at gcc dot gnu.org @ 2022-05-10 11:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105500
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed with r8-253-g6e49961ce47b8c55.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-05-10 11:29 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-05-06 3:11 [Bug gcov-profile/105500] New: [Gcov]wrong freqency for the while loop with struct in the expression yangyibiao at nju dot edu.cn
2022-05-06 6:11 ` [Bug gcov-profile/105500] " rguenth at gcc dot gnu.org
2022-05-10 11:29 ` marxin at gcc dot gnu.org
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