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| author | Anna Zaks <ganna@apple.com> | 2012-11-26 19:11:46 +0000 |
|---|---|---|
| committer | Anna Zaks <ganna@apple.com> | 2012-11-26 19:11:46 +0000 |
| commit | dac6cd533d90fa1f75e66f83f7d5ebc12e34bfb7 (patch) | |
| tree | 36b3d8f1861ab952f3a5961bdc15a002f88a6c83 /lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp | |
| parent | f419a856b56354781141a2a37f6190918be548ed (diff) | |
| download | clang-dac6cd533d90fa1f75e66f83f7d5ebc12e34bfb7.tar.gz | |
[analyzer] Fix a crash reported in PR 14400.
The AllocaRegion did not have the superRegion (based on LocationContext)
as part of it's hash. As a consequence, the AllocaRegions from
different frames were uniqued to be the same region.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168599 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp')
| -rw-r--r-- | lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp b/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp index 6ef022b609..24f8cdd74e 100644 --- a/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp +++ b/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp @@ -68,6 +68,7 @@ bool BuiltinFunctionChecker::evalCall(const CallExpr *CE, DefinedOrUnknownSVal extentMatchesSizeArg = svalBuilder.evalEQ(state, Extent, Size); state = state->assume(extentMatchesSizeArg, true); + assert(state && "The region should not have any previous constraints"); C.addTransition(state->BindExpr(CE, LCtx, loc::MemRegionVal(R))); return true; |