https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81208
Bug ID: 81208
Summary: 'uninitialized' warning is missed while self
initializing
Product: gcc
Version: 5.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: streletsaa at mail dot ru
Target Milestone: ---
Created attachment 41630
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41630&action=edit
example project that reproduces the bug
The following code does not produce an 'uninitialized' warning in gcc for 'px':
{
int x = 3, *px = &x;
printf("main: %p\n", px); // suppress 'unused variable px'
do {
int *px = px; // <--- here must be a WARNING
...
} while(0);
}
See the attached project for more details.
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
Linux ubuntu 4.4.0-81-generic #104-Ubuntu SMP Wed Jun 14 08:17:06 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux
