http://llvm.org/bugs/show_bug.cgi?id=18977
Bug ID: 18977
Summary: clang static analyser hangs during analysis of a block
that calls itself
Product: clang
Version: unspecified
Hardware: PC
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 12153
--> http://llvm.org/bugs/attachment.cgi?id=12153&action=edit
zip archive with invocation and xcode project that can be used to reproduce the
bug
During Static analysis of the following code snippet clang hangs and will never
return.
Invocation and complete Xcode Project are attached.
Code snippet:
void (^block)(void) = nil;
for (int i = 0; i < 3; i++) {
block = ^(void) {
if (block) {
block();
}
};
}
if (block) {
block();
}
Steps to reproduce:
Use Analyze in the attached Xcode Project.
OS version: OS X 10.9.2
Clang version:
Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
Target: x86_64-apple-darwin13.1.0
Thread model: posix
Xcode version: 5.0.2
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