mod-since-setjmp-test

tests/regression/79-assembly/04-asm-modified-since-setjmp.c

@@ -0,0 +1,20 @@
+#include <setjmp.h>
+
+jmp_buf buf;
+
+int main(void) {
+  int x;
+start:
+  x = 5;
+  if (setjmp(buf)) {
+    //read
+    asm ("nop" : : "x" (x));
+    return 0;
+  } else {
+    //write
+    asm goto ("nop" : "=x" (x) : : : exit2, exit); //WARN
+    longjmp(buf, 1);
+  }
+exit2:
+exit: return 0;
+}