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diff gcc/testsuite/gcc.dg/Walloc-size-larger-than-1.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/Walloc-size-larger-than-1.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,19 @@
+/* PR middle-end/82063 - issues with arguments enabled by -Wall
+   { dg-do compile }
+   { dg-options "-O -Walloc-size-larger-than=1KB -ftrack-macro-expansion=0" } */
+
+void sink (void*);
+
+#define T(x) sink (x)
+
+void f (void)
+{
+  unsigned n = 0;
+  T (__builtin_malloc (n));
+
+  n = 1024;   /* 1 kibibyte (KB or KiB) */
+  T (__builtin_malloc (n));
+
+  n = 1025;
+  T (__builtin_malloc (n));   /* { dg-warning "argument 1 value .1025. exceeds maximum object size 1024" } */
+}