https://git.ruby-lang.org/ruby.git/commit/?id=aa44b29030

From aa44b29030208106e75c12c3325350ebad4161b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@r...>
Date: Thu, 20 Feb 2020 14:02:01 +0900
Subject: suppress uninitialized variable warnings

Starting GCC 7, warnings about uninitialized variables are issued around
them.  Such warnings could be false positives (all versions of clang do
not warn), but adding initializers there could never be bad things.

diff --git a/bignum.c b/bignum.c
index e9bb578..07b7cb2 100644
--- a/bignum.c
+++ b/bignum.c
@@ -3409,7 +3409,7 @@ rb_absint_numwords(VALUE val, size_t word_numbits, size_t *nlz_bits_ret) https://github.com/ruby/ruby/blob/trunk/bignum.c#L3409
     size_t numbytes;
     int nlz_bits_in_msbyte;
     size_t numwords;
-    size_t nlz_bits;
+    size_t nlz_bits = 0;
 
     if (word_numbits == 0)
         return (size_t)-1;
diff --git a/vm_method.c b/vm_method.c
index 1bcec9b..d1afb88 100644
--- a/vm_method.c
+++ b/vm_method.c
@@ -894,7 +894,7 @@ rb_method_entry_at(VALUE klass, ID id) https://github.com/ruby/ruby/blob/trunk/vm_method.c#L894
 static inline rb_method_entry_t*
 search_method(VALUE klass, ID id, VALUE *defined_class_ptr)
 {
-    rb_method_entry_t *me;
+    rb_method_entry_t *me = NULL;
 
     RB_DEBUG_COUNTER_INC(mc_search);
 
-- 
cgit v0.10.2


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