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author | Fariborz Jahanian <fjahanian@apple.com> | 2013-01-30 01:12:44 +0000 |
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committer | Fariborz Jahanian <fjahanian@apple.com> | 2013-01-30 01:12:44 +0000 |
commit | 4d365ba9b972b14a182976476fdbfb374721bd9c (patch) | |
tree | 224bf7a5854d66feb705357b4621817db07db51c /clang/lib/Sema/SemaChecking.cpp | |
parent | c6c23753177128c6fc8f49730d21533a5f5bd644 (diff) | |
download | bcm5719-llvm-4d365ba9b972b14a182976476fdbfb374721bd9c.tar.gz bcm5719-llvm-4d365ba9b972b14a182976476fdbfb374721bd9c.zip |
c: When checking on validity of sizeof passed as size of
argument to be memset, check for its type to be complete
before calling Context.getTypeSize(PointeeTy) to prevent
crash. // rdar://13081751.
llvm-svn: 173872
Diffstat (limited to 'clang/lib/Sema/SemaChecking.cpp')
-rw-r--r-- | clang/lib/Sema/SemaChecking.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp index 9af16f3201e..465b01c9177 100644 --- a/clang/lib/Sema/SemaChecking.cpp +++ b/clang/lib/Sema/SemaChecking.cpp @@ -3253,7 +3253,8 @@ void Sema::CheckMemaccessArguments(const CallExpr *Call, if (const UnaryOperator *UnaryOp = dyn_cast<UnaryOperator>(Dest)) if (UnaryOp->getOpcode() == UO_AddrOf) ActionIdx = 1; // If its an address-of operator, just remove it. - if (Context.getTypeSize(PointeeTy) == Context.getCharWidth()) + if (!PointeeTy->isIncompleteType() && + (Context.getTypeSize(PointeeTy) == Context.getCharWidth())) ActionIdx = 2; // If the pointee's size is sizeof(char), // suggest an explicit length. |