diff options
| -rw-r--r-- | include/llvm/ADT/SmallVector.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/ADT/SmallVector.h b/include/llvm/ADT/SmallVector.h index e3aec7fec0..d0e898d68b 100644 --- a/include/llvm/ADT/SmallVector.h +++ b/include/llvm/ADT/SmallVector.h @@ -33,12 +33,17 @@ class SmallVectorImpl { // aligned sufficiently. Instead, we either use GCC extensions, or some // number of union instances for the space, which guarantee maximal alignment. protected: +#ifdef __GNUC__ + typedef char U; + U FirstEl __attribute__((aligned(__alignof__(double)))); +#else union U { double D; long double LD; long long L; void *P; } FirstEl; +#endif // Space after 'FirstEl' is clobbered, do not add any instance vars after it. public: // Default ctor - Initialize to empty. |