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Fix PR gdb/19208 - SIGSEV while opening Fortran program compiled with ifort

Message ID 233e961324084b0f857047bcf637c655@rwthex-s2-b.rwth-ad.de
State New
Headers show

Commit Message

Hahnfeld, Jonas Jan. 4, 2016, 3:47 p.m. UTC
Hi all,

Find attached a patch that fixes a SIGSEV for me when trying to open a
Fortran program compiled with ifort (using version 16.0.1.150).
The error can be reproduced with a most simple file only containing "end"
and no additional compiler flags.

---
          break;
        case DW_AT_inline:

--
Jonas Hahnfeld, MATSE-Auszubildender

IT Center
Group: High Performance Computing
Division: Computational Science and Engineering
RWTH Aachen University
Seffenter Weg 23
D 52074  Aachen (Germany)
Hahnfeld@itc.rwth-aachen.de
www.itc.rwth-aachen.de
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Patch

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3d8923b..5890f78 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@ 
+2016-01-04  Jonas Hahnfeld  <Hahnfeld@itc.rwth-aachen.de>
+
+       * dwarf2read.c (read_partial_die): Fix PR gdb/19208 -
+       SIGSEV while opening Fortran program compiled with ifort
+
 2016-01-04  Markus Metzger  <markus.t.metzger@intel.com>
 
        * btrace.c (btrace_pt_readmem_callback): Do not return in TRY/CATCH.
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index c410500..1020c12 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -15936,7 +15936,8 @@  read_partial_die (const struct die_reader_specs
*reader,
             compilers pick up the new representation, we'll support this
             practice.  */
          if (DW_UNSND (&attr) == DW_CC_program
-             && cu->language == language_fortran)
+             && cu->language == language_fortran
+             && part_die->name != NULL)
            set_objfile_main_name (objfile, part_die->name,
language_fortran);