re PR other/66827 (left shifts of negative value warnings due to C++14 switch)

PR 66827 * regex.c (EXTRACT_NUMBER): Cast sign byte to unsigned before left shifting. From-SVN: r231873

re PR other/66827 (left shifts of negative value warnings due to C++14 switch)
PR 66827 * regex.c (EXTRACT_NUMBER): Cast sign byte to unsigned before left shifting. From-SVN: r231873
f8e66330 · Nick Clifton · Nick Clifton · de4b6238 · f8e66330 · f8e66330
Commit f8e66330 authored Dec 21, 2015 by Nick Clifton Committed by Nick Clifton Dec 21, 2015
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libiberty/ChangeLog
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libiberty/regex.c
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--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
+2015-12-21  Nick Clifton  <nickc@redhat.com>
+
+	PR 66827
+	* regex.c (EXTRACT_NUMBER): Cast sign byte to unsigned before left
+	shifting.
+
 2015-11-27  Pedro Alves  <palves@redhat.com>

 	PR other/61321

--- a/libiberty/regex.c
+++ b/libiberty/regex.c
@@ -685,7 +685,7 @@ typedef enum
 #  define EXTRACT_NUMBER(destination, source)				\
  do {									\
    (destination) = *(source) & 0377;					\
-    (destination) += SIGN_EXTEND_CHAR (*((source) + 1)) << 8;		\
+    (destination) += ((unsigned) SIGN_EXTEND_CHAR (*((source) + 1))) << 8; \
  } while (0)
 # endif