http://llvm.org/bugs/show_bug.cgi?id=6776
Summary: false positive : bad bound guessing
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=4632)
--> (http://llvm.org/bugs/attachment.cgi?id=4632)
testcase
In the attached test case, type can only be between 0 and 63 and c is always
set to 2.
This is because type come from (uint32_t)>>(32-(6))).
But analyser fails to see that :
test_ana.c:27:2: warning: Undefined or garbage value returned to caller
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