SetSysClock called twice?

gistfile1.txt

Breakpoint 6, SystemInit ()
    at /Users/mike/Code/cross-compilers/STM32F0xx_StdPeriph_Lib_V1.5.0/Libraries/CMSIS/Device/ST/STM32F0xx/Source/Templates/system_stm32f0xx.c:162
162	  RCC->CR |= (uint32_t)0x00000001;
(gdb) step
160	{    
(gdb) step
162	  RCC->CR |= (uint32_t)0x00000001;
(gdb) step
166	  RCC->CFGR &= (uint32_t)0xF8FFB80C;
(gdb) step
173	  RCC->CR &= (uint32_t)0xFEF6FFFF;
(gdb) step
176	  RCC->CR &= (uint32_t)0xFFFBFFFF;
(gdb) step
179	  RCC->CFGR &= (uint32_t)0xFFC0FFFF;
(gdb) 
182	  RCC->CFGR2 &= (uint32_t)0xFFFFFFF0;
(gdb) 
179	  RCC->CFGR &= (uint32_t)0xFFC0FFFF;
(gdb) 
182	  RCC->CFGR2 &= (uint32_t)0xFFFFFFF0;
(gdb) 
185	  RCC->CFGR3 &= (uint32_t)0xFFFFFEAC;
(gdb) 
188	  RCC->CR2 &= (uint32_t)0xFFFFFFFE;
(gdb) 
191	  RCC->CIR = 0x00000000;
(gdb) 
194	  SetSysClock();
(gdb) 
SetSysClock ()
    at /Users/mike/Code/cross-compilers/STM32F0xx_StdPeriph_Lib_V1.5.0/Libraries/CMSIS/Device/ST/STM32F0xx/Source/Templates/system_stm32f0xx.c:290
290	  RCC->CR |= ((uint32_t)RCC_CR_HSEON);
(gdb) 
SystemInit ()
    at /Users/mike/Code/cross-compilers/STM32F0xx_StdPeriph_Lib_V1.5.0/Libraries/CMSIS/Device/ST/STM32F0xx/Source/Templates/system_stm32f0xx.c:191
191	  RCC->CIR = 0x00000000;
(gdb) 
194	  SetSysClock();
(gdb) 
SetSysClock ()
    at /Users/mike/Code/cross-compilers/STM32F0xx_StdPeriph_Lib_V1.5.0/Libraries/CMSIS/Device/ST/STM32F0xx/Source/Templates/system_stm32f0xx.c:286
286	  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
(gdb) 
290	  RCC->CR |= ((uint32_t)RCC_CR_HSEON);
(gdb) 
295	    HSEStatus = RCC->CR & RCC_CR_HSERDY;
(gdb) 
296	    StartUpCounter++;