[LLVMbugs] [Bug 2974] New: Invalid debug information for array types

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Wed Oct 29 03:01:40 PDT 2008


           Summary: Invalid debug information for array types
           Product: tools
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: llvm-gcc
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: richard at xmos.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=2146)
 --> (http://llvm.org/bugs/attachment.cgi?id=2146)
source file

If a program with a variable with an array type is compiled with -g in llvm-gcc
then the type of the variable is incorrectly given as it's element type.

For example the attached program declares x as follows:

int x[10];

but the dwarf information shows x is of type int:

gdb a.out
GNU gdb Red Hat Linux (
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu"...Using host libthread_db
library "/lib64/tls/libthread_db.so.1".

(gdb) whatis x
type = int

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