#4284: bison-3.0.5
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Reporter: bdubbs@… | Owner: lfs-book
Type: task | Status: new
Priority: normal | Milestone: 8.3
Component: Book | Version: SVN
Severity: normal | Resolution:
Keywords: |
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Comment (by bdubbs@…):
GNU Bison NEWS
* Noteworthy changes in release 3.0.5 (2018-05-27) [stable]
** Bug fixes
*** C++: Fix support of 'syntax_error'
One incorrect 'inline' resulted in linking errors about the constructor
of
the syntax_error exception.
*** C++: Fix warnings
GCC 7.3 (with -O1 or -O2 but not -O0 or -O3) issued null-dereference
warnings about yyformat being possibly null. It also warned about the
deprecated implicit definition of copy constructors when there's a
user-defined (copy) assignment operator.
*** Location of errors
In C++ parsers, out-of-bounds errors can happen when a rule with an
empty
ride-hand side raises a syntax error. The behavior of the default
parser
(yacc.c) in such a condition was undefined.
Now all the parsers match the behavior of glr.c: @$ is used as the
location of the error. This handles gracefully rules with and without
rhs.
*** Portability fixes in the test suite
On some platforms, some Java and/or C++ tests were failing.
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