Re: jsonb is also breaking the rule against nameless unions

Tom Lane wrote:
> Same issue as in
> http://www.postgresql.org/message-id/31718.1394059256@sss.pgh.pa.us
> 
> In file included from jsonb.c:19:
> ../../../../src/include/utils/jsonb.h:195: warning: unnamed struct/union that defines no instances
> jsonb.c: In function `jsonb_in_object_field_start':
> jsonb.c:250: structure has no member named `string'
> jsonb.c:251: structure has no member named `string'
> jsonb.c:251: structure has no member named `string'
> jsonb.c:252: structure has no member named `string'
> jsonb.c: In function `jsonb_put_escaped_value':
> jsonb.c:266: structure has no member named `string'
> jsonb.c:266: structure has no member named `string'
> jsonb.c:271: structure has no member named `numeric'
> jsonb.c:274: structure has no member named `boolean'
> jsonb.c: In function `jsonb_in_scalar':
> jsonb.c:301: structure has no member named `string'
> jsonb.c:302: structure has no member named `string'
> jsonb.c:302: structure has no member named `string'
> jsonb.c:303: structure has no member named `string'
> ... etc etc etc ...
> 
> We really need to get a buildfarm member going that complains about this.
> I had hoped to install a sufficiently old gcc version on prairiedog or
> dromedary, but didn't have much luck rebuilding ancient gcc releases on
> OS X.

Complain how?  I find that gcc -std=c90 -pedantic emits these warnings about
it:

def.c:3:24: warning: ISO C90 doesn’t support unnamed structs/unions [-pedantic]
def.c:1:8: warning: struct has no named members [-pedantic]

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
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