[Bug c++/53431] C++ preprocessor ignores #pragma GCC diagnostic

[robert.simpson.lists at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53431

Robert J. Simpson <robert.simpson.lists at gmail dot com> changed:

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--- Comment #34 from Robert J. Simpson <robert.simpson.lists at gmail dot com> ---
Appears to still be an issue in gcc-8:

gcc 8.2.0

#pragma GCC diagnostic ignored "-Wcomment"
// multi-line comment \
// 

../canvas.cpp:85:1: warning: multi-line comment [-Wcomment]
 // multi-line comment \
 ^