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c++: Fix offsetof use [PR 98232]

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offsetof is underspecified.  GCC happened to accept an unneeded
explicit scoping, clang does not.

	gcc/cp/
	* module.cc (dumper::push): Clangify offsetof use.
This commit is contained in:
Nathan Sidwell 2020-12-16 09:44:38 -08:00
parent 269e82d49e
commit 8379916b16
1 changed files with 1 additions and 1 deletions
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gcc/cp/module.cc
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@ -4153,7 +4153,7 @@ dumper::push (module_state *m)
/* Create or extend the dump implementor. */
unsigned current = dumps ? dumps->stack.length () : 0;
unsigned count = current ? current * 2 : EXPERIMENT (1, 20);
size_t alloc = (offsetof (impl, impl::stack)
size_t alloc = (offsetof (impl, stack)
+ impl::stack_t::embedded_size (count));
dumps = XRESIZEVAR (impl, dumps, alloc);
dumps->stack.embedded_init (count, current);