[wwwdocs] Document change that ipa-pure-const pass propagates malloc attribute.

[wwwdocs] Document change that ipa-pure-const pass propagates malloc attribute.

[Prathamesh Kulkarni]

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Applied the attached patch to changes.html.

Thanks,
Prathamesh

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	* changes.html: Document change that ipa-pure-const is extended to propagate malloc attribute.

Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-8/changes.html,v
retrieving revision 1.15
diff -r1.15 changes.html
37c37,39
<   <li></li>
---
>   <li>The ipa-pure-const pass is extended to propagate malloc attribute, and the
>   corresponding warning option <code>Wsuggest-attribute=malloc</code> emits a
>   diagnostic for a function, which can be annotated with malloc attribute.</li>

Re: [wwwdocs] Document change that ipa-pure-const pass propagates malloc attribute.

[Gerald Pfeifer]

On Fri, 27 Oct 2017, Prathamesh Kulkarni wrote:
> Applied the attached patch to changes.html.

Thank you.  I applied the follow-up below to avoid overly long
lines, use -Wsuggest-attribute=malloc (with a leading '-') and
address a grammar issue or two.

Gerald

Index: gcc-8/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-8/changes.html,v
retrieving revision 1.46
diff -u -r1.46 changes.html
--- gcc-8/changes.html	20 Mar 2018 08:06:16 -0000	1.46
+++ gcc-8/changes.html	1 Apr 2018 21:26:43 -0000
@@ -46,9 +46,11 @@
   <ul>
     <li>Reworked run-time estimation metrics leading to more realistic guesses
 	driving inliner and cloning heuristics.</li>
-    <li>The ipa-pure-const pass is extended to propagate the <code>malloc</code> attribute,
-	and the corresponding warning option <code>Wsuggest-attribute=malloc</code> emits a
-	diagnostic for a function, which can be annotated with <code>malloc</code> attribute.</li>
+    <li>The ipa-pure-const pass is extended to propagate the
+      <code>malloc</code> attribute, and the corresponding warning option
+      <code>-Wsuggest-attribute=malloc</code> emits a diagnostic for
+      functions which can be annotated with the <code>malloc</code>
+      attribute.</li>
   </ul></li>
   <li>Profile driven optimization improvements:
   <ul>
@@ -77,6 +79,9 @@
     guide for further information about the option syntax and section "New Targets
     and Target Specific Improvements" for IA-32/x86-64 for more details.
   </li>
+  <li>The <code>-gcolumn-info</code> option is now enabled by default.
+    It includes column information in addition to just filenames and
+    line numbers in DWARF debugging information.</li>
 </ul>