fix(cpp) switch is a keyword

CHANGES.md

@@ -1,7 +1,8 @@
 ## Version 11.3.0 (most likely)
 
-enh(css/less/stylus/scss) improve consistency of function dispatch (#3301) [Josh Goebel][]
-enh(css/less/stylus/scss) detect block comments more fully (#3301) [Josh Goebel][]
+- enh(css/less/stylus/scss) improve consistency of function dispatch (#3301) [Josh Goebel][]
+- enh(css/less/stylus/scss) detect block comments more fully (#3301) [Josh Goebel][]
+- fix(cpp) switch is a keyword (#3312) [Josh Goebel][]
 - fix(cpp) fix `xor_eq` keyword highlighting. [Denis Kovalchuk][]
 - enh(css/less/stylus/scss) add support for CSS Grid properties [monochromer][]
 

src/languages/cpp.js

@@ -411,6 +411,7 @@ export default function(hljs) {
       /(?!decltype)/,
       /(?!if)/,
       /(?!for)/,
+      /(?!switch)/,
       /(?!while)/,
       hljs.IDENT_RE,
       regex.lookahead(/(<[^<>]+>|)\s*\(/))

test/markup/cpp/function-like-keywords.expect.txt

@@ -0,0 +1,7 @@
+<span class="hljs-keyword">if</span> (ch) {}
+
+<span class="hljs-keyword">switch</span> (ch) {}
+
+<span class="hljs-keyword">while</span> (ch) {}
+
+<span class="hljs-keyword">for</span> (;;) {}

test/markup/cpp/function-like-keywords.txt

@@ -0,0 +1,8 @@
+
+if (ch) {}
+
+switch (ch) {}
+
+while (ch) {}
+
+for (;;) {}