1 files changed, 6 insertions, 0 deletions

diff --git a/src/regress/lib/libc/gcvt/gcvt_test.c b/src/regress/lib/libc/gcvt/gcvt_test.c
index b976a7dfe6..aed34e3d58 100644
--- a/src/regress/lib/libc/gcvt/gcvt_test.c
+++ b/src/regress/lib/libc/gcvt/gcvt_test.c
@@ -37,6 +37,7 @@ static struct test_vector {
         { 1.0, 0, "1" },
         { 1.0, 2, "1" },
         { 1.0, 10, "1" },
+        { 1.236, -1, "1.236" },
         { 1.236, 0, "1" },
         { 1.236, 1, "1" },
         { 1.236, 2, "1.2" },
@@ -44,6 +45,7 @@ static struct test_vector {
         { 1.236, 4, "1.236" },
         { 1.236, 5, "1.236" },
         { 1.236, 6, "1.236" },
+        { 12.36, -1, "12.36" },
         { 12.36, 0, "1e+01" },
         { 12.36, 1, "1e+01" },
         { 12.36, 2, "12" },
@@ -51,6 +53,7 @@ static struct test_vector {
         { 12.36, 4, "12.36" },
         { 12.36, 5, "12.36" },
         { 12.36, 6, "12.36" },
+        { 123.6, -1, "123.6" },
         { 123.6, 0, "1e+02" },
         { 123.6, 1, "1e+02" },
         { 123.6, 2, "1.2e+02" },
@@ -58,6 +61,7 @@ static struct test_vector {
         { 123.6, 4, "123.6" },
         { 123.6, 5, "123.6" },
         { 123.6, 6, "123.6" },
+        { 1236.0, -1, "1236" },
         { 1236.0, 0, "1e+03" },
         { 1236.0, 1, "1e+03" },
         { 1236.0, 2, "1.2e+03" },
@@ -67,12 +71,14 @@ static struct test_vector {
         { 1236.0, 6, "1236" },
         { 1e100, 10, "1e+100" },
         { 1e100, 20, "1.0000000000000000159e+100" },
+        { 0.01236, -1, "0.01236" },
         { 0.01236, 0, "0.01" },
         { 0.01236, 1, "0.01" },
         { 0.01236, 2, "0.012" },
         { 0.01236, 3, "0.0124" },
         { 0.01236, 4, "0.01236" },
         { 1e-100, 20, "1.00000000000000002e-100" },
+        { 1e-100, -1, "1e-100" },
         { -1.2, 5, "-1.2" },
         { -0.03, 5, "-0.03" },
         { 0.1, 1, "0.1" },