[libc] fix get_epoch constexpr error (llvm#126818)

michaelrj-google · flovent · commit 195da3dd8ae2 · 2025-02-13T19:49:14.000+08:00
get_epoch calls mktime_internal which isn't constexpr. For now, just
remove the constexpr from get_epoch.
diff --git a/libc/src/time/time_utils.h b/libc/src/time/time_utils.h
@@ -328,9 +328,7 @@ class TMReader final {
     return BASE_YEAR + IS_NEXT_YEAR;
   }
 
-  LIBC_INLINE constexpr time_t get_epoch() const {
-    return mktime_internal(timeptr);
-  }
+  LIBC_INLINE time_t get_epoch() const { return mktime_internal(timeptr); }
 
   // returns the timezone offset in microwave time:
   // return (hours * 100) + minutes;

Original file line number	Diff line number	Diff line change
`@@ -328,9 +328,7 @@ class TMReader final {`
`328`	`328`	`return BASE_YEAR + IS_NEXT_YEAR;`
`329`	`329`	`}`
`330`	`330`
`331`		`- LIBC_INLINE constexpr time_t get_epoch() const {`
`332`		`- return mktime_internal(timeptr);`
`333`		`- }`
	`331`	`+ LIBC_INLINE time_t get_epoch() const { return mktime_internal(timeptr); }`
`334`	`332`
`335`	`333`	`// returns the timezone offset in microwave time:`
`336`	`334`	`// return (hours * 100) + minutes;`