[lldb-dev] [Bug 18660] New: Incorrect stepping over Objective-C code with ARC
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Wed Jan 29 14:08:52 PST 2014
http://llvm.org/bugs/show_bug.cgi?id=18660
Bug ID: 18660
Summary: Incorrect stepping over Objective-C code with ARC
Product: lldb
Version: 3.2
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-dev at cs.uiuc.edu
Reporter: dunets.devel at gmail.com
Classification: Unclassified
Environment: Xcode 5.0.2., lldb.
Step to reproduce:
1. Create sample project in Xcode.
2. Enable automatic reference counting (ARC) for some source file.
3. Add the following code to some class in that file:
- (void)method:(id)param
{
if (param == nil)
{
return;
}
/*************************
* Set the breakpoint here
*************************/
// Let param is not nil
if (param == nil)
{
NSLog(@"1. This line is not executed, nothing will be printed, but lldb
shows it as executed");
}
// NSLog(@"2. If this line is uncommented, llds steps correctly");
}
4. Set the breakpoint above the second if statement.
5. Call method: with param != nil.
6. Step into the method: and step to the end of the method.
Actual result:
1. lldb indicates, that it steps into the second if statement, though the code
in if statements is not executed.
2. If there is some expression after the second if statement, lldb shows
program execution correctly.
Expected result:
1. Correct stepping.
--
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