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Fix bogus list-iteration code in pg_regress.c, affecting ecpg tests only.

While looking at a recent buildfarm failure in the ecpg tests, I wonderedwhy the pg_regress output claimed the stderr part of the test failed, whenthe regression diffs were clearly for the stdout part. Looking into it,the reason is that pg_regress.c's logic for iterating over three parallellists is wrong, and has been wrong since it was written: it advances the"tag" pointer at a different place in the loop than the other two pointers.Fix that.

1 parenteb16011 commitc5e46c7Copy full SHA for c5e46c7

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lines changed

src/test/regress
- pg_regress.c

1 file changed

-10

lines changed

`‎src/test/regress/pg_regress.c`

Lines changed: 4 additions & 10 deletions

Original file line number	Diff line number	Diff line change
`@@ -1752,14 +1752,11 @@ run_schedule(const char *schedule, test_function tfunc)`
`1752`	`1752`	`*/`
`1753`	`1753`	`for (rl=resultfiles[i],el=expectfiles[i],tl=tags[i];`
`1754`	`1754`	`rl!=NULL;/* rl and el have the same length */`
`1755`		`-rl=rl->next,el=el->next)`
	`1755`	`+rl=rl->next,el=el->next,`
	`1756`	`+tl=tl ?tl->next :NULL)`
`1756`	`1757`	`{`
`1757`	`1758`	`boolnewdiff;`
`1758`	`1759`
`1759`		`-if (tl)`
`1760`		`-tl=tl->next;/* tl has the same length as rl and el if`
`1761`		`- * it exists */`
`1762`		`-`
`1763`	`1760`	`newdiff=results_differ(tests[i],rl->str,el->str);`
`1764`	`1761`	`if (newdiff&&tl)`
`1765`	`1762`	`{`
`@@ -1848,14 +1845,11 @@ run_single_test(const char *test, test_function tfunc)`
`1848`	`1845`	`*/`
`1849`	`1846`	`for (rl=resultfiles,el=expectfiles,tl=tags;`
`1850`	`1847`	`rl!=NULL;/* rl and el have the same length */`
`1851`		`-rl=rl->next,el=el->next)`
	`1848`	`+rl=rl->next,el=el->next,`
	`1849`	`+tl=tl ?tl->next :NULL)`
`1852`	`1850`	`{`
`1853`	`1851`	`boolnewdiff;`
`1854`	`1852`
`1855`		`-if (tl)`
`1856`		`-tl=tl->next;/* tl has the same length as rl and el if it`
`1857`		`- * exists */`
`1858`		`-`
`1859`	`1853`	`newdiff=results_differ(test,rl->str,el->str);`
`1860`	`1854`	`if (newdiff&&tl)`
`1861`	`1855`	`{`

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Commitc5e46c7

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`‎src/test/regress/pg_regress.c`

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