FAIL: gcc (GCC) 4.5.0 20100119 (experimental)
PASS: gcc (GCC) 4.4.3 20100119 (prerelease)
PASS: gcc-4.4.2-20.fc12.x86_64 (Fedora 12)
-------------------------------------------------------------------------------
gcc -c -o vla.o vla.c -Wall -g
-------------------------------------------------------------------------------
This is a 4.4 -> 4.5 debug regression.
-------------------------------------------------------------------------------
int
f (int i)
{
char a[i];
return a[0];
}
-------------------------------------------------------------------------------
FAIL:
< c> DW_AT_producer : (indirect string, offset: 0x11): GNU C 4.5.0
20100119 (experimental)
<2><5c>: Abbrev Number: 4 (DW_TAG_variable)
<5d> DW_AT_name : a
<61> DW_AT_type : <0x71>
<65> DW_AT_location : 3 byte block: 91 60 6 (DW_OP_fbreg: -32;
DW_OP_deref)
<1><71>: Abbrev Number: 6 (DW_TAG_array_type)
<72> DW_AT_type : <0x83>
<2><7a>: Abbrev Number: 7 (DW_TAG_subrange_type)
<7b> DW_AT_type : <0x80>
-------------------------------------------------------------------------------
PASS:
< c> DW_AT_producer : (indirect string, offset: 0x17): GNU C 4.4.3
20100119 (prerelease)
<2><5c>: Abbrev Number: 4 (DW_TAG_variable)
<5d> DW_AT_name : a
<61> DW_AT_type : <0x71>
<65> DW_AT_location : 3 byte block: 91 68 6 (DW_OP_fbreg: -24;
DW_OP_deref)
<1><71>: Abbrev Number: 6 (DW_TAG_array_type)
<72> DW_AT_type : <0x87>
<2><7a>: Abbrev Number: 7 (DW_TAG_subrange_type)
<7b> DW_AT_type : <0x84>
<7f> DW_AT_upper_bound : 3 byte block: 91 60 6 (DW_OP_fbreg: -32;
DW_OP_deref)
--
Summary: VLA DW_AT_upper_bound is no longer emitted
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jan dot kratochvil at redhat dot com
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42800
