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| author | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2012-11-13 01:03:15 +0000 |
|---|---|---|
| committer | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2012-11-13 01:03:15 +0000 |
| commit | 4f10a3e9f058bb8fdcfc3799a1939d1391b96de3 (patch) | |
| tree | 8e3cdce46ca059f14eba4564188387e61a0113b5 /clang/tools/libclang/CIndex.cpp | |
| parent | 36675b75fbeb6578d510db29ade03596b4bc32af (diff) | |
| download | bcm5719-llvm-4f10a3e9f058bb8fdcfc3799a1939d1391b96de3.tar.gz bcm5719-llvm-4f10a3e9f058bb8fdcfc3799a1939d1391b96de3.zip | |
[preprocessor] When #including something that contributes no tokens at all,
don't recursively continue lexing.
This avoids a stack overflow with a sequence of many empty #includes.
rdar://11988695
llvm-svn: 167801
Diffstat (limited to 'clang/tools/libclang/CIndex.cpp')
| -rw-r--r-- | clang/tools/libclang/CIndex.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/tools/libclang/CIndex.cpp b/clang/tools/libclang/CIndex.cpp index 3a6c408bff1..bb75db3554b 100644 --- a/clang/tools/libclang/CIndex.cpp +++ b/clang/tools/libclang/CIndex.cpp @@ -6119,6 +6119,8 @@ namespace clang { bool RunSafely(llvm::CrashRecoveryContext &CRC, void (*Fn)(void*), void *UserData, unsigned Size) { + if (getenv("LIBCLANG_THREAD_SMALLSTACK")) + Size = 0x10000; // 64K. if (!Size) Size = GetSafetyThreadStackSize(); if (Size) |
