https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
Andrew Pinski changed:
What|Removed |Added
See Also||https://gcc.gnu.org/bugzill
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #13 from Nicolai Josuttis ---
Oh, sorry, your are right, the example indeed works.
BUT: I used in fact a slightly different example
(sorry, didn't expect that there is a difference):
int main() {
int i = 0;
int j = i++ << i++;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
Marek Polacek changed:
What|Removed |Added
CC||mpolacek at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
Nicolai Josuttis changed:
What|Removed |Added
CC||nico at josuttis dot de
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #10 from Jakub Jelinek ---
Partially fixed, needs more work, so keeping this open.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #9 from Jakub Jelinek ---
Author: jakub
Date: Tue Aug 27 12:37:30 2019
New Revision: 274952
URL: https://gcc.gnu.org/viewcvs?rev=274952=gcc=rev
Log:
PR c++/91415
* c-common.c (verify_tree): For LSHIFT_EXPR,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #8 from Jakub Jelinek ---
Oh, and need to look also at CALL_EXPR.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #7 from Jakub Jelinek ---
On top of the above, I've tried:
--- gcc/c-family/c-common.c.jj 2019-08-12 09:45:54.463491950 +0200
+++ gcc/c-family/c-common.c 2019-08-12 12:01:32.783135654 +0200
@@ -1933,16 +1934,19 @@ verify_tree
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #6 from Jakub Jelinek ---
Created attachment 46702
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46702=edit
gcc10-pr91415-1.patch
Let's handle this incrementally, from the easiest cases to the hardest.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #5 from Marek Polacek ---
I think this is
P0145R3 Refining Expression Evaluation Order for Idiomatic C++
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0145r3.pdf
which says
4. A SOLUTION
In summary, the following
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
Marek Polacek changed:
What|Removed |Added
Keywords||diagnostic
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #4 from Jakub Jelinek ---
Testcase also with PMF:
struct S { int a[10]; void bar (); void baz (); };
typedef void (S::*pmf) ();
void
foo (int i, int x[10][10], int y[10], struct S z[10], struct S *w[10], pmf
u[10])
{
int b =
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #3 from Jakub Jelinek ---
--- gcc/c-family/c-common.c.jj 2019-07-30 08:27:49.987555303 +0200
+++ gcc/c-family/c-common.c 2019-08-10 18:13:20.821949299 +0200
@@ -1889,6 +1889,7 @@ verify_tree (tree x, struct tlist **pbef
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415
--- Comment #1 from Maxim Egorushkin ---
gcc-9.1 produces the same warning.
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