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Fix -Wimplicit-fallthrough warnings from GCC 8

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Adds `FALLTHROUGH` macro to specify when a fallthrough is intentional.
Can be replaced by `[[fallthrough]]` if/when we switch to C++17.

The warning is now enabled by default for GCC on `extra` warnings level
(part of GCC's `-Wextra`). It's not enabled in Clang's `-Wextra` yet,
but we could enable it manually once we switch to C++11. There's no
equivalent feature in MSVC for now.

Fixes #26135.

(cherry picked from commit fc370b3feb)
This commit is contained in:
Rémi Verschelde
2019-04-05 14:06:16 +02:00
parent 3b703d6707
commit fc18d637a8
18 changed files with 82 additions and 67 deletions
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2
modules/gdscript/gdscript_tokenizer.cpp
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@@ -745,7 +745,7 @@ void GDScriptTokenizerText::_advance() {
}
INCPOS(1);
is_node_path = true;
FALLTHROUGH;
case '\'':
case '"': {