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re PR c++/57545 (Generation of debug symbols leads to internal compiler error)

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PR c++/57545
	* pt.c (convert_nontype_argument) [INTEGER_CST]: Force the
	argument to have the exact type of the parameter.

From-SVN: r200841
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Jason Merrill 2013-07-09 13:56:03 -04:00 committed by Jason Merrill
parent 7eb48705c0
commit cb5f47b639
3 changed files with 22 additions and 0 deletions
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4
gcc/cp/ChangeLog
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@ -1,5 +1,9 @@
2013-07-09 Jason Merrill <jason@redhat.com>
PR c++/57545
* pt.c (convert_nontype_argument) [INTEGER_CST]: Force the
argument to have the exact type of the parameter.
PR c++/57551
* semantics.c (cxx_eval_indirect_ref): Don't try to look through
a POINTER_PLUS_EXPR for type punning diagnostic.

4
gcc/cp/pt.c
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@ -5620,6 +5620,10 @@ convert_nontype_argument (tree type, tree expr, tsubst_flags_t complain)
else
return NULL_TREE;
}
/* Avoid typedef problems. */
if (TREE_TYPE (expr) != type)
expr = fold_convert (type, expr);
}
/* [temp.arg.nontype]/5, bullet 2

14
gcc/testsuite/g++.dg/debug/template2.C Normal file
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@ -0,0 +1,14 @@
// PR c++/57545
template<typename T, long unsigned int N>
struct array {
T data[N];
};
template<typename T>
struct derived {
typedef long unsigned int size_type;
static const size_type n = 42;
array<int, n> a;
};