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testsuite: turn down verbosity of "process-message"

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When debugging a failing test, I typically invoke DejaGnu at
verbosity level 2 (via RUNTESTFLAGS="-v -v dg.exp=something"),
so that DejaGnu prints the command line used to invoke the
compiler; specifically these two sites:
  target.exp "Invoking the compiler as "
  remote.exp "Executing on $hostname"
which are both verbosity level 2.

Unfortunately I run into an O(n^2) issue with logging from
process-message:

  verbose "process-message:\n${dg-messages}" 2

where, as each message each processed, it emits the state
of dg-messages, containing the new message and all messages so far,
leading to exponentially-increasing output at level 2 as more test
messages are added.

This patch papers over the problem by moving the
problematic message to verbosity level 3.

gcc/testsuite/ChangeLog:
	* lib/gcc-dg.exp (process-message): Change verbosity level of
	"verbose" from 2 to 3.
	(dg-locus): Likewise.

From-SVN: r266828
This commit is contained in:
David Malcolm 2018-12-05 15:16:05 +00:00 committed by David Malcolm
parent 1eb68b8c35
commit d1cf20b6fc
2 changed files with 8 additions and 2 deletions
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6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2018-12-05 David Malcolm <dmalcolm@redhat.com>
* lib/gcc-dg.exp (process-message): Change verbosity level of
"verbose" from 2 to 3.
(dg-locus): Likewise.
2018-12-05 Richard Biener <rguenther@suse.de>
PR middle-end/63184

4
gcc/testsuite/lib/gcc-dg.exp
View File

@ -1165,7 +1165,7 @@ proc process-message { msgproc msgprefix dgargs } {
set newentry [lreplace $newentry 2 2 $expmsg]
set dg-messages [lreplace ${dg-messages} end end $newentry]
verbose "process-message:\n${dg-messages}" 2
verbose "process-message:\n${dg-messages}" 3
}
# Look for messages that don't have standard prefixes.
@ -1199,7 +1199,7 @@ proc dg-locus { args } {
set newentry [lreplace $newentry 2 2 $expmsg]
set dg-messages [lreplace ${dg-messages} end end $newentry]
verbose "process-message:\n${dg-messages}" 2
verbose "process-message:\n${dg-messages}" 3
}
# Handle output from -fopt-info for MSG_OPTIMIZED_LOCATIONS: