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-rw-r--r--gcc/testsuite/gcc.dg/Walloc-size-larger-than-3.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Walloc-size-larger-than-3.c b/gcc/testsuite/gcc.dg/Walloc-size-larger-than-3.c
new file mode 100644
index 00000000000..500ddbf7c74
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Walloc-size-larger-than-3.c
@@ -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 = 1000; /* 1 kilobyte (kB, not to be confused with KB or KiB) */
+ T (__builtin_malloc (n));
+
+ n = 1001;
+ T (__builtin_malloc (n)); /* { dg-warning "argument 1 value .1001. exceeds maximum object size 1000" } */
+}