http://llvm.org/bugs/show_bug.cgi?id=3447
Summary: miscompilation of union { long double }
Product: clang
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: LLVM Codegen
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
clang miscompiles the following:
--
ddun...@lordcrumb:return-types$ cat fail.c
#include <stdio.h>
typedef union T0 { long double field0; } T0;
static T0 T0_values[] = {
{ (long double) 32 },
{ (long double) 32 },
};
int main(int argc, char **argv) {
printf(" fn424_RV: RV.field0 = %d\n", T0_values[1].field0 == (long double)
32);
return 0;
}
ddun...@lordcrumb:return-types$ for x in gcc xcc; do echo "-- $x --"; $x
-std=c99 -m64 fail.c && ./a.out; done
-- gcc --
fn424_RV: RV.field0 = 1
-- xcc --
fn424_RV: RV.field0 = 0
--
--
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
_______________________________________________
LLVMbugs mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/llvmbugs
