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https://github.com/archlinuxarm/PKGBUILDs.git
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27 lines
1,015 B
Diff
27 lines
1,015 B
Diff
Index: gcc/testsuite/g++.dg/cpp1y/auto-fn47.C
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===================================================================
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--- gcc/testsuite/g++.dg/cpp1y/auto-fn47.C (nonexistent)
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+++ gcc/testsuite/g++.dg/cpp1y/auto-fn47.C (revision 257630)
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@@ -0,0 +1,6 @@
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+// PR c++/84080
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+// { dg-do compile { target c++14 } }
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+
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+template <int i, typename T> T foo();
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+
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+template <> auto foo<0>() { return 42; } // { dg-error "does not match" }
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Index: gcc/cp/pt.c
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===================================================================
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--- gcc/cp/pt.c (revision 257629)
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+++ gcc/cp/pt.c (revision 257630)
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@@ -2203,6 +2203,11 @@
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specialize TMPL will produce DECL. */
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continue;
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+ if (uses_template_parms (targs))
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+ /* We deduced something involving 'auto', which isn't a valid
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+ template argument. */
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+ continue;
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+
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/* Remove, from the set of candidates, all those functions
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whose constraints are not satisfied. */
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if (flag_concepts && !constraints_satisfied_p (fn, targs))
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