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ada-lang.c: Expand standard_exc's introductory comment. 

This patch expands standard_exc's introductory comment to explain
why this table does not include Numeric_Error.

gdb/ChangeLog:

        * ada-lang.c (standard_exc): Expand introductory comment.
This commit is contained in:
Joel Brobecker 2014-04-24 13:16:38 -07:00
parent 25d4e99db8
commit 82eacd52ba
2 changed files with 17 additions and 1 deletions
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gdb/ChangeLog
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@ -1,3 +1,7 @@
2014-04-24 Joel Brobecker <brobecker@adacore.com>
* ada-lang.c (standard_exc): Expand introductory comment.
2014-04-24 Michael Sturm <michael.sturm@mintel.com>
Walfred Tedeschi <walfred.tedeschi@intel.com>

14
gdb/ada-lang.c
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@ -11294,7 +11294,19 @@ ada_modulus (struct type *type)
variants of the runtime, we use a sniffer that will determine
the runtime variant used by the program being debugged. */
/* Ada's standard exceptions. */
/* Ada's standard exceptions.
The Ada 83 standard also defined Numeric_Error. But there so many
situations where it was unclear from the Ada 83 Reference Manual
(RM) whether Constraint_Error or Numeric_Error should be raised,
that the ARG (Ada Rapporteur Group) eventually issued a Binding
Interpretation saying that anytime the RM says that Numeric_Error
should be raised, the implementation may raise Constraint_Error.
Ada 95 went one step further and pretty much removed Numeric_Error
from the list of standard exceptions (it made it a renaming of
Constraint_Error, to help preserve compatibility when compiling
an Ada83 compiler). As such, we do not include Numeric_Error from
this list of standard exceptions. */
static char *standard_exc[] = {
"constraint_error",