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2017-01-30 Jakub Jelinek <jakub@redhat.com>
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PR c++/79288
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* decl.c (grokdeclarator): For static data members, handle thread_p
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only after handling inline.
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* g++.dg/tls/pr79288.C: New test.
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--- gcc/cp/decl.c.jj 2017-01-26 09:14:24.000000000 +0100
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+++ gcc/cp/decl.c 2017-01-30 18:49:38.544438710 +0100
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@@ -12049,14 +12049,6 @@ grokdeclarator (const cp_declarator *dec
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: input_location,
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VAR_DECL, unqualified_id, type);
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set_linkage_for_static_data_member (decl);
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- if (thread_p)
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- {
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- CP_DECL_THREAD_LOCAL_P (decl) = true;
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- if (!processing_template_decl)
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- set_decl_tls_model (decl, decl_default_tls_model (decl));
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- if (declspecs->gnu_thread_keyword_p)
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- SET_DECL_GNU_TLS_P (decl);
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- }
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if (concept_p)
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error ("static data member %qE declared %<concept%>",
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unqualified_id);
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@@ -12077,6 +12069,15 @@ grokdeclarator (const cp_declarator *dec
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definition is provided, unless this is an inline
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variable. */
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DECL_EXTERNAL (decl) = 1;
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+
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+ if (thread_p)
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+ {
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+ CP_DECL_THREAD_LOCAL_P (decl) = true;
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+ if (!processing_template_decl)
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+ set_decl_tls_model (decl, decl_default_tls_model (decl));
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+ if (declspecs->gnu_thread_keyword_p)
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+ SET_DECL_GNU_TLS_P (decl);
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+ }
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}
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else
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{
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--- gcc/testsuite/g++.dg/tls/pr79288.C.jj 2017-01-30 18:55:05.754282818 +0100
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+++ gcc/testsuite/g++.dg/tls/pr79288.C 2017-01-30 18:54:52.000000000 +0100
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@@ -0,0 +1,28 @@
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+// PR c++/79288
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+// { dg-do compile { target nonpic } }
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+// { dg-require-effective-target tls }
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+// { dg-options "-O2" }
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+// { dg-final { scan-assembler-not "@tpoff" { target i?86-*-* x86_64-*-* } } }
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+
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+struct S
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+{
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+ static __thread int *p;
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+};
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+
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+template <int N>
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+struct T
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+{
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+ static __thread int *p;
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+};
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+
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+int *
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+foo ()
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+{
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+ return S::p;
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+}
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+
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+int *
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+bar ()
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+{
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+ return T<0>::p;
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+}
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