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headers, where malloc (and many other libc functions) are declared
with empty throw specifications, e.g.,
extern void *malloc (__SIZE_TYPE__ __size) throw () __attribute__
((__malloc__)) ;
The C++ standard doesn't seem to allow this, and redeclaring malloc as
the standard permits (as follows) resulted in Clang (rightfully!)
complaining about mis-matched exception specifications.
void *malloc(size_t size);
We work around this by silently propagating an empty throw
specification "throw()" from a function with C linkage declared in a
system header to a redeclaration that has no throw specifier.
Ick.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95969 91177308-0d34-0410-b5e6-96231b3b80d8
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