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curl-compilers.m4: enable -Wshift-sign-overflow for clang
authorMarcel Raad <Marcel.Raad@teamviewer.com>
Tue, 30 May 2017 08:07:47 +0000 (10:07 +0200)
committerMarcel Raad <Marcel.Raad@teamviewer.com>
Wed, 31 May 2017 08:06:53 +0000 (10:06 +0200)
commit314a7fa3ceb74f90cc7cce28bef7517ef874f64c
tree9a3137d68f9d2190a8093360b1f7fae9136dee56tree | snapshot
parenta6ad28a75e55859f6bb66a1eaf339154f59691a8commit | diff
curl-compilers.m4: enable -Wshift-sign-overflow for clang

clang 2.9+ supports -Wshift-sign-overflow, which warns about undefined
behavior on signed left shifts when shifting by too many places.

Ref: https://github.com/curl/curl/issues/1516
Closes https://github.com/curl/curl/pull/1517
m4/curl-compilers.m4 diff | blob | history
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