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PR19896, Segmentation fault on bad input

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PR 19896
	* read.c (assign_symbol): Consume rest of line after an error
	rather than continuing to process the line.
This commit is contained in:
Alan Modra 2016-04-02 17:17:26 +10:30
parent 5b8cf793a7
commit 62bd6b5fa4
2 changed files with 9 additions and 1 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2016-04-02 Alan Modra <amodra@gmail.com>
PR 19896
* read.c (assign_symbol): Consume rest of line after an error
rather than continuing to process the line.
2016-04-01 Andrew Burgess <andrew.burgess@embecosm.com> 2016-04-01 Andrew Burgess <andrew.burgess@embecosm.com>
* config/tc-arc.h (MAX_FLAG_NAME_LENGHT): Rename to... * config/tc-arc.h (MAX_FLAG_NAME_LENGHT): Rename to...

4
gas/read.c
View file

@ -3255,7 +3255,9 @@ assign_symbol (char *name, int mode)
&& !S_CAN_BE_REDEFINED (symbolP)) && !S_CAN_BE_REDEFINED (symbolP))
{ {
as_bad (_("symbol `%s' is already defined"), name); as_bad (_("symbol `%s' is already defined"), name);
symbolP = symbol_clone (symbolP, 0); ignore_rest_of_line ();
input_line_pointer--;
return;
} }
/* If the symbol is volatile, copy the symbol and replace the /* If the symbol is volatile, copy the symbol and replace the
original with the copy, so that previous uses of the symbol will original with the copy, so that previous uses of the symbol will