http://llvm.org/bugs/show_bug.cgi?id=18878
Bug ID: 18878
Summary: No uninitialized warning for self-initialization
(e.g., int x = x)
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Clang does not warn the self initialization: int x = x;
$: cat s.c
void f(void) {
int x = x;
int array[] = {1, 2};
int y = array[y];
}
$: clang-trunk -Wuninitialized -Winit-self -c s.c
s.c:4:17: warning: variable 'y' is uninitialized when used within its own
initialization [-Wuninitialized]
int y = array[y];
~ ^
1 warning generated.
$: clang-trunk --version
clang version 3.5 (trunk 201498)
Target: x86_64-unknown-linux-gnu
Thread model: posix
$: gcc-trunk -Winit-self -Wuninitialized -c s.c
s.c: In function ‘f’:
s.c:2:7: warning: ‘x’ is used uninitialized in this function [-Wuninitialized]
int x = x;
^
s.c:4:7: warning: ‘y’ is used uninitialized in this function [-Wuninitialized]
int y = array[y];
^
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