I haven't seen any objections, so here is a patch. It removes "#define

YYERROR_VERBOSE" from contrib/cube and contrib/seg, and adjusts the expected
output accordingly. Hopefully this will consistently pass across multiple
bison versions.

Joe Conway

contrib/cube/cubeparse.y

@@ -2,7 +2,6 @@
 /* NdBox = [(lowerleft),(upperright)] */
 /* [(xLL(1)...xLL(N)),(xUR(1)...xUR(n))] */
 
-#define YYERROR_VERBOSE   
 #define YYPARSE_PARAM result  /* need this to pass a pointer (void *) to yyparse */
 #define YYSTYPE char *
 #define YYDEBUG 1

contrib/cube/expected/cube.out

@@ -258,46 +258,46 @@ SELECT '[(0,0,0,0),(1,0,0,0)]'::cube AS cube;
 SELECT ''::cube AS cube;
 ERROR:  cube_in: can't parse an empty string
 SELECT 'ABC'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' or `O_PAREN' or `O_BRACKET' at or before position 1, character ('A', \101), input: 'ABC'
+ERROR:  parse error at or before position 1, character ('A', \101), input: 'ABC'
 
 SELECT '()'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 2, character (')', \051), input: '()'
+ERROR:  parse error at or before position 2, character (')', \051), input: '()'
 
 SELECT '[]'::cube AS cube;
-ERROR:  parse error, expecting `O_PAREN' at or before position 2, character (']', \135), input: '[]'
+ERROR:  parse error at or before position 2, character (']', \135), input: '[]'
 
 SELECT '[()]'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 3, character (')', \051), input: '[()]'
+ERROR:  parse error at or before position 3, character (')', \051), input: '[()]'
 
 SELECT '[(1)]'::cube AS cube;
-ERROR:  parse error, expecting `COMMA' at or before position 5, character (']', \135), input: '[(1)]'
+ERROR:  parse error at or before position 5, character (']', \135), input: '[(1)]'
 
 SELECT '[(1),]'::cube AS cube;
-ERROR:  parse error, expecting `O_PAREN' at or before position 6, character (']', \135), input: '[(1),]'
+ERROR:  parse error at or before position 6, character (']', \135), input: '[(1),]'
 
 SELECT '[(1),2]'::cube AS cube;
-ERROR:  parse error, expecting `O_PAREN' at or before position 7, character (']', \135), input: '[(1),2]'
+ERROR:  parse error at or before position 7, character (']', \135), input: '[(1),2]'
 
 SELECT '[(1),(2),(3)]'::cube AS cube;
-ERROR:  parse error, expecting `C_BRACKET' at or before position 9, character (',', \054), input: '[(1),(2),(3)]'
+ERROR:  parse error at or before position 9, character (',', \054), input: '[(1),(2),(3)]'
 
 SELECT '1,'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 2, character (',', \054), input: '1,'
+ERROR:  parse error at or before position 2, character (',', \054), input: '1,'
 
 SELECT '1,2,'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 4, character (',', \054), input: '1,2,'
+ERROR:  parse error at or before position 4, character (',', \054), input: '1,2,'
 
 SELECT '1,,2'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 3, character (',', \054), input: '1,,2'
+ERROR:  parse error at or before position 3, character (',', \054), input: '1,,2'
 
 SELECT '(1,)'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 4, character (')', \051), input: '(1,)'
+ERROR:  parse error at or before position 4, character (')', \051), input: '(1,)'
 
 SELECT '(1,2,)'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 6, character (')', \051), input: '(1,2,)'
+ERROR:  parse error at or before position 6, character (')', \051), input: '(1,2,)'
 
 SELECT '(1,,2)'::cube AS cube;
-ERROR:  parse error, expecting `FLOAT' at or before position 4, character (',', \054), input: '(1,,2)'
+ERROR:  parse error at or before position 4, character (',', \054), input: '(1,,2)'
 
 -- invalid input: semantic errors and trailing garbage
 SELECT '[(1),(2)],'::cube AS cube; -- 0

contrib/seg/expected/seg.out

@@ -395,25 +395,25 @@ SELECT '100(+-)1'::seg AS seg;
 SELECT ''::seg AS seg;
 ERROR:  seg_in: can't parse an empty string
 SELECT 'ABC'::seg AS seg;
-ERROR:  parse error, expecting `FLOAT' or `RANGE' or `EXTENSION' at or near position 1, character ('A', \101), input: 'ABC'
+ERROR:  parse error at or near position 1, character ('A', \101), input: 'ABC'
 
 SELECT '1ABC'::seg AS seg;
-ERROR:  expecting end of input at or near position 2, character ('A', \101), input: '1ABC'
+ERROR:  parse error at or near position 2, character ('A', \101), input: '1ABC'
 
 SELECT '1.'::seg AS seg;
-ERROR:  expecting end of input at or near position 2, character ('.', \056), input: '1.'
+ERROR:  parse error at or near position 2, character ('.', \056), input: '1.'
 
 SELECT '1.....'::seg AS seg;
-ERROR:  expecting end of input at or near position 6, character ('.', \056), input: '1.....'
+ERROR:  parse error at or near position 6, character ('.', \056), input: '1.....'
 
 SELECT '.1'::seg AS seg;
-ERROR:  parse error, expecting `FLOAT' or `RANGE' or `EXTENSION' at or near position 2, character ('1', \061), input: '.1'
+ERROR:  parse error at or near position 2, character ('1', \061), input: '.1'
 
 SELECT '1..2.'::seg AS seg;
-ERROR:  expecting end of input at or near position 5, character ('.', \056), input: '1..2.'
+ERROR:  parse error at or near position 5, character ('.', \056), input: '1..2.'
 
 SELECT '1 e7'::seg AS seg;
-ERROR:  expecting end of input at or near position 3, character ('e', \145), input: '1 e7'
+ERROR:  parse error at or near position 3, character ('e', \145), input: '1 e7'
 
 SELECT '1e700'::seg AS seg;
 ERROR:  numeric value 1e700 unrepresentable

contrib/seg/segparse.y

@@ -1,5 +1,4 @@
 %{
-#define YYERROR_VERBOSE   
 #define YYPARSE_PARAM result  /* need this to pass a pointer (void *) to yyparse */
   
 #include "postgres.h"