addr2line.c: fix -Wmaybe-uninitialized

../addr2line.c: In function ‘fill_lines’:
../addr2line.c:709:8: warning: ‘file’ may be used uninitialized in this function [-Wmaybe-uninitialized]
     if (file != NULL) {
        ^
../addr2line.c:535:11: warning: ‘filesize’ may be used uninitialized in this function [-Wmaybe-uninitialized]
     off_t filesize;
           ^~~~~~~~

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/addr2line.c b/addr2line.c
index b266e44d5d..9220a0e0f6 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -532,8 +532,8 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
     ElfW(Shdr) *shdr, *shstr_shdr;
     ElfW(Shdr) *debug_line_shdr = NULL, *gnu_debuglink_shdr = NULL;
     int fd;
-    off_t filesize;
-    char *file;
+    off_t filesize = 0;
+    char *file = NULL;
     ElfW(Shdr) *symtab_shdr = NULL, *strtab_shdr = NULL;
     ElfW(Shdr) *dynsym_shdr = NULL, *dynstr_shdr = NULL;
     obj_info_t *obj = *objp;