[cfe-dev] Non-portable cast in DataflowValues.h

[Chris Lattner]

On Sep 23, 2007, at 4:47 PM, Justin Handville wrote:

> I am getting the following compile error when compiling for x86_64
> FreeBSD.  The getHashValue function assumes that unsigned int and a
> pointer are the same size, which is not true in the x86_64 ABI.

Does this fix it?
http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of- 
Mon-20070917/002072.html

-Chris

> In file included from
> /packages/llvm-trunk/tools/clang/Analysis/../include/clang/Analysis/ 
> UninitializedValues.h:19,
>                  from UninitializedValues.cpp:14:
> /packages/llvm-trunk/tools/clang/Analysis/../include/clang/Analysis/ 
> DataflowValues.h:
> In static member function 'static unsigned int
> llvm::DenseMapInfo<clang::CFG::Edge>::getHashValue(const
> clang::CFG::Edge&)':
> /packages/llvm-trunk/tools/clang/Analysis/../include/clang/Analysis/ 
> DataflowValues.h:40:
> error: cast from 'const clang::CFGBlock*' to 'unsigned int' loses
> precision
> /packages/llvm-trunk/tools/clang/Analysis/../include/clang/Analysis/ 
> DataflowValues.h:41:
> error: cast from 'const clang::CFGBlock*' to 'unsigned int' loses
> precision
> /packages/llvm-trunk/tools/clang/Analysis/../include/clang/Analysis/ 
> DataflowValues.h:42:
> error: cast from 'const clang::CFGBlock*' to 'unsigned int' loses
> precision
> /packages/llvm-trunk/tools/clang/Analysis/../include/clang/Analysis/ 
> DataflowValues.h:43:
> error: cast from 'const clang::CFGBlock*' to 'unsigned int' loses
> precision
> gmake[1]: *** [/packages/llvm-trunk/tools/clang/Analysis/Debug/ 
> UninitializedValues.o]
> Error 1
> gmake[1]: Leaving directory `/packages/llvm-trunk/tools/clang/ 
> Analysis'
> gmake: *** [all] Error 1
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