ubsan: next_char_of_string signed integer overflow

Squash another totally useless fuzz report that I should have ignored.

	* read.c (next_char_of_string): Avoid integer overflow.

diff --git a/gas/read.c b/gas/read.c
index cd82c83adeba22d27bce712275928d5dc9ce50ed..6c8b7c3efdb23320e3e1b4338488b34d1ab8cf73 100644 (file)
--- a/gas/read.c
+++ b/gas/read.c
@@ -5642,7 +5642,7 @@ next_char_of_string (void)
        case '8':
        case '9':
          {
-           long number;
+           unsigned number;
            int i;
 
            for (i = 0, number = 0;
@@ -5660,7 +5660,7 @@ next_char_of_string (void)
        case 'x':
        case 'X':
          {
-           long number;
+           unsigned number;
 
            number = 0;
            c = *input_line_pointer++;