re PR debug/45171 (Invalid DWARF...DIE 0x00006a1d has multiple AT_byte_size attributes.)
PR debug/45171 * dwarf2out.c (gen_typedef_die): Don't re-generate the die of an is_naming_typedef_decl. From-SVN: r162882
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2010-08-04 Richard Henderson <rth@redhat.com>
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PR debug/45171
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* dwarf2out.c (gen_typedef_die): Don't re-generate the die of
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an is_naming_typedef_decl.
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2010-08-04 Bernd Schmidt <bernds@codesourcery.com>
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PR rtl-optimization/45162
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@ -19785,22 +19785,24 @@ gen_typedef_die (tree decl, dw_die_ref context_die)
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type = TREE_TYPE (decl);
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if (is_naming_typedef_decl (TYPE_NAME (type)))
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/*
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Here, we are in the case of decl being a typedef naming
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an anonymous type, e.g:
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{
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/* Here, we are in the case of decl being a typedef naming
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an anonymous type, e.g:
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typedef struct {...} foo;
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In that case TREE_TYPE (decl) is not a typedef variant
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type and TYPE_NAME of the anonymous type is set to the
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TYPE_DECL of the typedef. This construct is emitted by
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the C++ FE.
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In that case TREE_TYPE (decl) is not a typedef variant
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type and TYPE_NAME of the anonymous type is set to the
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TYPE_DECL of the typedef. This construct is emitted by
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the C++ FE.
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TYPE is the anonymous struct named by the typedef
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DECL. As we need the DW_AT_type attribute of the
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DW_TAG_typedef to point to the DIE of TYPE, let's
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generate that DIE right away. add_type_attribute
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called below will then pick (via lookup_type_die) that
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anonymous struct DIE. */
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gen_tagged_type_die (type, context_die, DINFO_USAGE_DIR_USE);
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TYPE is the anonymous struct named by the typedef
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DECL. As we need the DW_AT_type attribute of the
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DW_TAG_typedef to point to the DIE of TYPE, let's
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generate that DIE right away. add_type_attribute
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called below will then pick (via lookup_type_die) that
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anonymous struct DIE. */
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if (!TREE_ASM_WRITTEN (type))
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gen_tagged_type_die (type, context_die, DINFO_USAGE_DIR_USE);
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}
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}
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add_type_attribute (type_die, type, TREE_READONLY (decl),
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@ -0,0 +1,10 @@
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// Origin: PR debug/45171
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// { dg-options "-g -dA -fno-eliminate-unused-debug-types" }
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// { dg-do compile }
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// There should be 2 real instances of byte_size -- one for the
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// struct and one for "int". The other two instances are from
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// the comments in the .debug_abbrev section.
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// { dg-final { scan-assembler-times "DW_AT_byte_size" 4 } }
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typedef struct { int a, b; } x;
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