https://llvm.org/bugs/show_bug.cgi?id=31646
Bug ID: 31646
Summary: alpha.deadcode.UnreachableCode false positive
Product: clang
Version: 4.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: kreme...@apple.com
Reporter: bagn...@cs.unipr.it
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 17842
--> https://llvm.org/bugs/attachment.cgi?id=17842&action=edit
Testcase allowing reproduction of the problem.
$ cat z.c
union U {
int a;
};
int foo(union U u) {
return u.a ? 1 : 0;
}
$ clang-4.0 -cc1 -analyze -analyzer-checker=alpha.deadcode.UnreachableCode z.c
z.c:6:20: warning: This statement is never executed
return u.a ? 1 : 0;
^
1 warning generated.
$ clang-4.0 --version
clang version 4.0.0-svn291446-1~exp1 (trunk)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
$
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