CH Gowri Kumar - గౌరీ à°•à±à°®à°¾à°°à± wrote: > Hi Andrew, >> What happens with -fno-strict-aliasing ? > That gives the correct result. But no warning still. Right, so it's an aliasing bug in 4.2.2. This joins bug 32182, 32328, 34363, and others. Flow-insensitive aliasing is broken in gcc 4.2. Please try gcc 4.3. Andrew.