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...uctionCombining pass causes alignment of globals to be ignored. I've attached a replacement of Fibonacci.cpp which reproduces this (I used 2.3 release). Here's the x86 code it produces: 03C20019 movaps xmm0,xmmword ptr ds:[164E799h] 03C20020 mulps xmm0,xmmword ptr ds:[164E79Ah] 03C20027 movaps xmmword ptr ds:[164E799h],xmm0 03C2002E mov esp,ebp 03C20030 pop ebp 03C20031 ret All three SSE instructions will generate a fault for accessing unaligned memory. Disabling InstructionCombining gives me the following correct code:...

...uctionCombining pass causes alignment of globals to be ignored. I've attached a replacement of Fibonacci.cpp which reproduces this (I used 2.3 release). Here's the x86 code it produces: 03C20019 movaps xmm0,xmmword ptr ds:[164E799h] 03C20020 mulps xmm0,xmmword ptr ds:[164E79Ah] 03C20027 movaps xmmword ptr ds:[164E799h],xmm0 03C2002E mov esp,ebp 03C20030 pop ebp 03C20031 ret All three SSE instructions will generate a fault for accessing unaligned memory. Disabling InstructionCombining gives me the following correct code:...