On 5/13/21 3:55 AM, Martin Sebor via Gcc-patches wrote:
> A logic bug in the handling of PHI arguments in compute_objsize
> that are all null pointers lets an incompletely populated struct
> be used in a way that triggers an assertion causing an ICE.
>
> The attached patch corrects that by having compute_objsize fail
> when the struct isn't fully populated (when all os the PHI's
> arguments are null).
>
> Martin
Martin,
I'm getting test failures with your patch here:
Running target unix/-m32
FAIL: g++.dg/pr100574.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/pr100574.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/pr100574.C -std=gnu++2a (test for excess errors)
/home/ed/gnu/gcc-trunk/gcc/testsuite/g++.dg/pr100574.C:6:7: error: 'operator
new' takes type 'size_t' ('unsigned int') as first parameter [-fpermissive]^M
compiler exited with status 1
Bernd.
