Merge tag 'v3.4.2' into HEAD

bison 3.4.2

* tag 'v3.4.2': (24 commits)
  version 3.4.2
  CI: always uninstall icc
  news: more bug fixes thanks to Marc Schönefeld
  diagnostics: beware of unexpected EOF when quoting the source file
  gnulib: update
  build: fix distcheck
  tests: add noexcept to please GCC 9
  news: update
  fix: don't die when EOF token is defined twice
  tests: check token redeclaration
  yacc.c: beware of GCC's -Wmaybe-uninitialized
  glr.c: initialize vector of bools
  gnulib: update
  check for memory exhaustion
  diagnostics: avoid global variables
  diagnostics: fix invalid error message indentation
  git: ignore files generated in gnulib-po
  c++: avoid duplicate definition of YYUSE
  gnulib: update
  CI: more compilers
  ...

1 files changed, 17 insertions, 3 deletions

diff --git a/NEWS b/NEWS
index 05bcee8a..bac182b7 100644
--- a/NEWS
+++ b/NEWS
@@ -4,9 +4,6 @@ GNU Bison NEWS
 
 ** Bug fixes
 
-  In some cases, when warnings are disabled, bison could emit tons of white
-  spaces as diagnostics.
-
   In Java, %define api.prefix was ignored.  It now behaves as expected.
 
 ** New features
@@ -23,6 +20,23 @@ GNU Bison NEWS
   The Java backend no longer emits code and data for parser tracing if the
   %define variable parse.trace is not defined.
 
+* Noteworthy changes in release 3.4.2 (2019-09-08) [stable]
+
+** Bug fixes
+
+  In some cases, when warnings are disabled, bison could emit tons of white
+  spaces as diagnostics.
+
+  When running out of memory, bison could crash (found by fuzzing).
+
+  When defining twice the EOF token, bison would crash.
+
+  New warnings from recent compilers have been addressed in the generated
+  parsers (yacc.c, glr.c, glr.cc).
+
+  When lone carriage-return characters appeared in the input file,
+  diagnostics could hang forever.
+
 * Noteworthy changes in release 3.4.1 (2019-05-22) [stable]
 
 ** Bug fixes