Module Name: src
Committed By: rillig
Date: Tue May 9 14:46:36 UTC 2023
Modified Files:
src/tests/usr.bin/xlint/lint1: msg_132.c
Log Message:
tests/lint: demonstrate wrong warning about losing accuracy
To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 src/tests/usr.bin/xlint/lint1/msg_132.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/usr.bin/xlint/lint1/msg_132.c
diff -u src/tests/usr.bin/xlint/lint1/msg_132.c:1.26 src/tests/usr.bin/xlint/lint1/msg_132.c:1.27
--- src/tests/usr.bin/xlint/lint1/msg_132.c:1.26 Tue Mar 28 14:44:34 2023
+++ src/tests/usr.bin/xlint/lint1/msg_132.c Tue May 9 14:46:36 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: msg_132.c,v 1.26 2023/03/28 14:44:34 rillig Exp $ */
+/* $NetBSD: msg_132.c,v 1.27 2023/05/09 14:46:36 rillig Exp $ */
# 3 "msg_132.c"
// Test for message: conversion from '%s' to '%s' may lose accuracy [132]
@@ -24,6 +24,8 @@ typedef signed short s16_t;
typedef signed int s32_t;
typedef signed long long s64_t;
+_Bool cond;
+char ch;
u8_t u8;
u16_t u16;
@@ -365,3 +367,28 @@ test_ic_bitand(void)
/* expect+1: warning: conversion from 'unsigned int' to 'unsigned char' may lose accuracy [132] */
u8 = u16 & u32;
}
+
+void
+test_ic_conditional(char c1, char c2)
+{
+ /* Both operands are representable as char. */
+ /* FIXME */
+ /* expect+1: warning: conversion from 'int' to 'char' may lose accuracy [132] */
+ ch = cond ? '?' : ':';
+
+ /*
+ * Both operands are representable as char. Clang-Tidy 17 wrongly
+ * warns about a narrowing conversion from 'int' to signed type
+ * 'char'.
+ */
+ /* FIXME */
+ /* expect+1: warning: conversion from 'int' to 'char' may lose accuracy [132] */
+ ch = cond ? c1 : c2;
+
+ /* FIXME */
+ /* expect+1: warning: conversion from 'int' to 'signed char' may lose accuracy [132] */
+ s8 = cond ? s8 : u8;
+
+ /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */
+ u8 = cond ? s8 : u8;
+}
