Merge commit 'b52fb5234cd7c11ecfae51897a6f7fa52e8777fc' into clippyup

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diff --git a/src/docs/collapsible_str_replace.txt b/src/docs/collapsible_str_replace.txt
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+### What it does
+Checks for consecutive calls to `str::replace` (2 or more)
+that can be collapsed into a single call.
+
+### Why is this bad?
+Consecutive `str::replace` calls scan the string multiple times
+with repetitive code.
+
+### Example
+```
+let hello = "hesuo worpd"
+    .replace('s', "l")
+    .replace("u", "l")
+    .replace('p', "l");
+```
+Use instead:
+```
+let hello = "hesuo worpd".replace(&['s', 'u', 'p'], "l");
+```
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