[LLVMbugs] [Bug 13447] New: false positive with exceptions: 'Undefined or garbage value returned to caller'
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Tue Jul 24 11:07:10 PDT 2012
http://llvm.org/bugs/show_bug.cgi?id=13447
Bug #: 13447
Summary: false positive with exceptions: 'Undefined or garbage
value returned to caller'
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Static Analyzer
AssignedTo: kremenek at apple.com
ReportedBy: jepler at dsndata.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
The following small program has a false positive in scan-build:
File: arg2.cc
Location: line 10, column 12
Description: The left operand of '+' is a garbage value
void f(int &v) {
// original code has one arm that assigns v and one arm that throws
throw true;
}
int y() {
int i;
f(i);
return i;
}
Tested with clang r160634 (trunk from 2012-07-23) on 64-bit Ubuntu 8.04.
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