[gcc r15-1985] libbacktrace: don't fail if symbol size is unknown

[Ian Lance Taylor via Gcc-cvs]

https://gcc.gnu.org/g:d7318f4cf89c2a934fcd1f87d711081285fad242

commit r15-1985-gd7318f4cf89c2a934fcd1f87d711081285fad242
Author: Ian Lance Taylor <i...@golang.org>
Date:   Thu Jul 11 17:58:17 2024 -0700

    libbacktrace: don't fail if symbol size is unknown
    
            * btest.c (test5): Don't fail if symbol size is 0.
            * mtest.c (test5): Likewise.

Diff:
---
 libbacktrace/btest.c | 2 +-
 libbacktrace/mtest.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libbacktrace/btest.c b/libbacktrace/btest.c
index c4b2db2cce2f..3b603f643fa7 100644
--- a/libbacktrace/btest.c
+++ b/libbacktrace/btest.c
@@ -440,7 +440,7 @@ test5 (void)
                   (unsigned long) (uintptr_t) &global);
          symdata.failed = 1;
        }
-      else if (symdata.size != sizeof (global))
+      else if (symdata.size != sizeof (global) && symdata.size != 0)
        {
          fprintf (stderr,
                   "test5: unexpected syminfo size got %lx expected %lx\n",
diff --git a/libbacktrace/mtest.c b/libbacktrace/mtest.c
index f793391653dc..5ec43c7bbcea 100644
--- a/libbacktrace/mtest.c
+++ b/libbacktrace/mtest.c
@@ -373,7 +373,7 @@ test5 (void)
                   (unsigned long) (uintptr_t) &global);
          symdata.failed = 1;
        }
-      else if (symdata.size != sizeof (global))
+      else if (symdata.size != sizeof (global) && symdata.size != 0)
        {
          fprintf (stderr,
                   "test5: unexpected syminfo size got %lx expected %lx\n",