Hi, I was trying to compile PHP with clang, but clang crashes in the first file. The following code triggers an assertion when clang is called with -emit-llbm-bc: typedef union { unsigned char __c[8]; double __d; } __huge_val_t; static __huge_val_t __huge_val = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } }; The code is from the bits/huge_val.h file. Nuno