diff options
| author | Akim Demaille <akim.demaille@gmail.com> | 2019-09-06 07:21:59 +0200 |
|---|---|---|
| committer | Akim Demaille <akim.demaille@gmail.com> | 2019-09-06 17:27:55 +0200 |
| commit | 989503b1ba2f5307035239b70355dcb4361855c8 (patch) | |
| tree | a79d28c8e50108a68dfd1b419c3d1bd55e2c084b /data | |
| parent | 61c2c400929dbf7ee2ca42b569af5437e7edf9a3 (diff) | |
| download | bison-989503b1ba2f5307035239b70355dcb4361855c8.tar.gz | |
yacc.c: beware of GCC's -Wmaybe-uninitialized
Test 400 (calc.at:773: testing Calculator api.push-pull=both
api.pure=full parse.error=verbose %debug %locations %defines
api.prefix={calc} %verbose %yacc) fails on the CI with GCC 8 on
Bionic:
400. calc.at:773: testing Calculator api.push-pull=both api.pure=full parse.error=verbose %debug %locations %defines api.prefix={calc} %verbose %yacc ...
../../tests/calc.at:773: bison --color=no -fno-caret -Wno-deprecated -o calc.c calc.y
../../tests/calc.at:773: $CC $CFLAGS $CPPFLAGS $LDFLAGS -o calc calc.c calc-lex.c calc-main.c $LIBS
stderr:
calc.y: In function 'int calcpush_parse(calcpstate*, int, const CALCSTYPE*, CALCLTYPE*)':
calc.y:26:20: error: 'yylval.CALCSTYPE::ival' may be used uninitialized in this function [-Werror=maybe-uninitialized]
%printer { fprintf (yyo, "%d", $$); } <ival>;
^
calc.c:1272:9: note: 'yylval.CALCSTYPE::ival' was declared here
YYSTYPE yylval YY_INITIAL_VALUE (= yyval_default);
^~~~~~
cc1plus: all warnings being treated as errors
stdout:
../../tests/calc.at:773: exit code was 1, expected 0
400. calc.at:773: 400. Calculator api.push-pull=both api.pure=full parse.error=verbose %debug %locations %defines api.prefix={calc} %verbose %yacc (calc.at:773): FAILED (calc.at:773)
* data/skeletons/c.m4 (yy_symbol_value_print): Disable the warning
locally.
Diffstat (limited to 'data')
| -rw-r--r-- | data/skeletons/c.m4 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/data/skeletons/c.m4 b/data/skeletons/c.m4 index fcf58a84..27aa2939 100644 --- a/data/skeletons/c.m4 +++ b/data/skeletons/c.m4 @@ -545,7 +545,9 @@ m4_if(b4_skeleton, ["yacc.c"], # endif ]])dnl b4_percent_code_get([[pre-printer]])dnl + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN b4_symbol_actions([printer]) + YY_IGNORE_MAYBE_UNINITIALIZED_END b4_percent_code_get([[post-printer]])dnl [} |