[Bug debug/54773] New: no debug info generated for rvalue reference
chihin.ko at oracle dot com
gcc-bugzilla@gcc.gnu.org
Mon Oct 1 22:22:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54773
Bug #: 54773
Summary: no debug info generated for rvalue reference
Classification: Unclassified
Product: gcc
Version: 4.6.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: chihin.ko@oracle.com
Created attachment 28318
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28318
compileable c++ test case and dwarf dump
for c++0x feature rvalue reference, g++ should generate
DW_TAG_rvalue_reference_type, g++ generate DW_TAG_reference_type instead:
see attachment for test cases: a.out.dw
shows debug info for function "void foo(int&& ii)" are
< 2><0x00000992> DW_TAG_formal_parameter
DW_AT_name "ii"
DW_AT_decl_file 0x00000001
/net/benjamin2/export/ws/jeanko/ws/dbx_test/bugid/7189973/intel-Linux/t.cc
DW_AT_decl_line 0x0000001b
DW_AT_type <0x000009a0>
DW_AT_location DW_OP_fbreg -24
< 1><0x000009a0> DW_TAG_const_type
DW_AT_type <0x000009a5>
< 1><0x000009a5> DW_TAG_reference_type
DW_AT_byte_size 0x00000008
DW_AT_type <0x00000062>
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