http://llvm.org/bugs/show_bug.cgi?id=8635
Summary: may_alias attribute on function parameter gives
warning
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Compiling the following file with Clang built from trunk gives the following
warning:
void f(int __attribute__((may_alias)) *x) {
}
/tmp/a.cc:1:27: warning: 'may_alias' attribute only applies to variable and
function types
void f(int __attribute__((may_alias)) *x) {
^
1 warning generated.
It seems this was introduced in
http://llvm.org/viewvc/llvm-project?view=rev&revision=119407
I'm not familiar with this stuff, but it seems may_alias can be used both as a
type and a variable attribute and Clang only recognizes the former?
(This breaks the Chromium/Clang build because glib headers use this attribute
all over the place and the warnings gets treated as an error.)
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