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43 lines
1.4 KiB
43 lines
1.4 KiB
2017-03-09 Jakub Jelinek <jakub@redhat.com> |
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PR c/79969 |
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* c-decl.c (start_enum): Adjust DECL_SOURCE_LOCATION of |
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TYPE_STUB_DECL. |
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* gcc.dg/debug/dwarf2/enum-loc1.c: New test. |
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--- gcc/c/c-decl.c.jj 2017-03-05 22:39:45.000000000 +0100 |
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+++ gcc/c/c-decl.c 2017-03-09 08:19:33.100042166 +0100 |
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@@ -8201,6 +8201,10 @@ start_enum (location_t loc, struct c_enu |
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enumtype = make_node (ENUMERAL_TYPE); |
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pushtag (loc, name, enumtype); |
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} |
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+ /* Update type location to the one of the definition, instead of e.g. |
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+ a forward declaration. */ |
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+ else if (TYPE_STUB_DECL (enumtype)) |
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+ DECL_SOURCE_LOCATION (TYPE_STUB_DECL (enumtype)) = loc; |
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if (C_TYPE_BEING_DEFINED (enumtype)) |
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error_at (loc, "nested redefinition of %<enum %E%>", name); |
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--- gcc/testsuite/gcc.dg/debug/dwarf2/enum-loc1.c.jj 2017-03-09 08:09:30.742037844 +0100 |
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+++ gcc/testsuite/gcc.dg/debug/dwarf2/enum-loc1.c 2017-03-09 08:16:45.202268438 +0100 |
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@@ -0,0 +1,19 @@ |
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+/* PR c/79969 */ |
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+/* { dg-do compile } */ |
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+/* { dg-options "-gdwarf-2 -dA -fno-merge-debug-strings" } */ |
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+ |
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+enum ENUMTAG; |
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+ |
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+enum ENUMTAG |
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+{ |
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+ B = 1, |
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+ C = 2 |
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+}; |
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+ |
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+void |
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+bar (void) |
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+{ |
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+ enum ENUMTAG a = C; |
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+} |
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+ |
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+/* { dg-final { scan-assembler "DW_TAG_enumeration_type\[^\\r\\n\]*\[\\r\\n\]+\[^\\r\\n\]*\"ENUMTAG\[^\\r\\n\]*DW_AT_name(\[^\\r\\n\]*\[\\r\\n\]+\[^\\r\\n\]*DW_AT_)*\[^\\r\\n\]*\[\\r\\n\]+\[^\\r\\n\]*\[^0-9a-fA-FxX](0x)?7\[^0-9a-fA-FxX]\[^\\r\\n\]*DW_AT_decl_line" } } */
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