[libcxx] [test] Improve error reporting around invoked commands
authorMartin Storsjö <martin@martin.st>
Fri, 12 May 2023 13:17:10 +0000 (16:17 +0300)
committerMartin Storsjö <martin@martin.st>
Tue, 16 May 2023 18:27:54 +0000 (21:27 +0300)
commit391b51b18f37dd2a130de12167f8b4416eb3210e
treee04b25f7fd68c3a309edec0b473bdb27c23d4065
parent4072c8aee4c89c4457f4f30d01dc9bb4dfa52559
[libcxx] [test] Improve error reporting around invoked commands

This was requested in the review of D145807, but I had missed to
apply it before landing the patch.

Differential Revision: https://reviews.llvm.org/D150444
libcxx/utils/libcxx/test/dsl.py