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[Bug optimization/12324] [3.4 Regression] [unti-at-a-time] not emitting function referenced from a compound statement
- From: "bernie at develer dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Sep 2003 20:48:46 -0000
- Subject: [Bug optimization/12324] [3.4 Regression] [unti-at-a-time] not emitting function referenced from a compound statement
- References: <20030918042646.12324.bernie@develer.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12324
------- Additional Comments From bernie at develer dot com 2003-09-25 20:48 -------
Not sure if it's the same bug, but 3.4 outputs
nothing for this code with -O2:
static int foo __attribute__((unused)) = 42;
This breaks the Linux kernel (the __setup() macro).
GCC 3.3.1 did the right thing:
.data
.align 4
.type foo, @object
.size foo, 4
foo:
.long 42