一早上解决不了的报错：

avr-gcc: error: @C:\WINDOWS\TEMP\cc41jZFN: Invalid argument
avr-gcc: fatal error: no input files
compilation terminated.
lto-wrapper.exe: fatal error: C:\Users\13366\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-gcc returned 1 exit status
compilation terminated.
c:/users/13366/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: error: lto-wrapper failed
collect2.exe: error: ld returned 1 exit status

exit status 1

Compilation error: exit status 1

代码：

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

就是一个空代码，只定义了setup和loop。

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